{
  "checked": "2026-10-22",
  "latest_year": 2025,
  "gold_workbook_updated": "Updated on September 02, 2026",
  "sources": {
    "ds-li": {
      "title": "USGS · Lithium historical statistics (2021 update)",
      "url": "https://www.usgs.gov/media/files/lithium-historical-statistics-data-series-140",
      "file": "lithium.xlsx",
      "sha256": "0d223134e29f0f0a3c95134e4405b114d58e83ee30b3197155d887dd0476a663"
    },
    "ds-au": {
      "title": "USGS · Gold historical statistics (2022 update)",
      "url": "https://www.usgs.gov/media/files/gold-historical-statistics-data-series-140",
      "file": "gold-historical.xlsx",
      "sha256": "025f3eb98adb606cc214b82caa70646b80cf9debdf6544dbafce361283c1c480"
    },
    "wb": {
      "title": "World Bank · Pink Sheet, annual nominal prices",
      "url": "https://thedocs.worldbank.org/en/doc/74e8be41ceb20fa0da750cda2f6b9e4e-0050012026/related/CMO-Historical-Data-Annual.xlsx",
      "file": "gold.xlsx",
      "sha256": "d07bcb67ac39ceba4ef46a36e9d252f89d52c590ce6c05b23acb023d845e3a8b"
    },
    "metal": {
      "title": "USGS · Metal Prices in the United States Through 2010, pp. 85–87",
      "url": "https://pubs.usgs.gov/sir/2012/5188/sir2012-5188.pdf",
      "file": "metal-prices.pdf",
      "sha256": "43c066463d32f285a32eae7511e5da17a0b3d784db13e9f83d9f2492f5a8bf55"
    },
    "mcs2020": {
      "title": "USGS · Mineral Commodity Summaries 2020 — Lithium",
      "url": "https://pubs.usgs.gov/periodicals/mcs2020/mcs2020-lithium.pdf",
      "file": "mcs2020-lithium.pdf",
      "sha256": "f99a1c723820915e4892249660ddc0eea2f280da14bf7d345e435700091b616d"
    },
    "mcs2024": {
      "title": "USGS · Mineral Commodity Summaries 2024 — Lithium",
      "url": "https://pubs.usgs.gov/periodicals/mcs2024/mcs2024-lithium.pdf",
      "file": "mcs2024-lithium.pdf",
      "sha256": "14f43f30f8905f7cd3e6284a843fa007d74d0bf74f8ad186c7ae1219c115eb8b"
    },
    "mcs2025": {
      "title": "USGS · Mineral Commodity Summaries 2025 — Lithium",
      "url": "https://pubs.usgs.gov/periodicals/mcs2025/mcs2025-lithium.pdf",
      "file": "mcs2025-lithium.pdf",
      "sha256": "7ec5654133aa5ef64fcfd6d4d23ac64a58f06f51bf1231576ebd8f595ad9257b"
    },
    "mcs2026": {
      "title": "USGS · Mineral Commodity Summaries 2026 — Lithium",
      "url": "https://pubs.usgs.gov/periodicals/mcs2026/mcs2026-lithium.pdf",
      "file": "mcs2026-lithium.pdf",
      "sha256": "53f92ea45c367c36f05919151f7784feda5776095afaf3a25aec795a27be106f"
    }
  },
  "rows": [
    {
      "year": 1936,
      "usd": 2800,
      "gold_usd": 34.835894016000005,
      "gold_oz": 80.37686642156994,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1952,
      "usd": 2380,
      "gold_usd": 34.524859248,
      "gold_oz": 68.93583498498613,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1952,
      "usd": 21715.53282521044,
      "gold_usd": 34.524859248,
      "gold_oz": 628.9825157351918,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1953,
      "usd": 1870,
      "gold_usd": 34.835894016000005,
      "gold_oz": 53.68026436011993,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1953,
      "usd": 24250.848840336534,
      "gold_usd": 34.835894016000005,
      "gold_oz": 696.1454420890764,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1954,
      "usd": 2200,
      "gold_usd": 35.146928784,
      "gold_oz": 62.59437385042615,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1954,
      "usd": 24250.848840336534,
      "gold_usd": 35.146928784,
      "gold_oz": 689.9848629555447,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1955,
      "usd": 2130,
      "gold_usd": 35.146928784,
      "gold_oz": 60.60273468245805,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1955,
      "usd": 24250.848840336534,
      "gold_usd": 35.146928784,
      "gold_oz": 689.9848629555447,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1956,
      "usd": 2130,
      "gold_usd": 35.146928784,
      "gold_oz": 60.60273468245805,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1956,
      "usd": 24250.848840336534,
      "gold_usd": 35.146928784,
      "gold_oz": 689.9848629555447,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1957,
      "usd": 1720,
      "gold_usd": 34.835894016000005,
      "gold_oz": 49.37436080182154,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1957,
      "usd": 24250.848840336534,
      "gold_usd": 34.835894016000005,
      "gold_oz": 696.1454420890764,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "98% 金属锂",
      "estimated": false,
      "segment": "metal-98"
    },
    {
      "year": 1958,
      "usd": 1610,
      "gold_usd": 35.146928784,
      "gold_oz": 45.80770086326641,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1958,
      "usd": 19841.603596638983,
      "gold_usd": 35.146928784,
      "gold_oz": 564.5330696909002,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1959,
      "usd": 1610,
      "gold_usd": 35.146928784,
      "gold_oz": 45.80770086326641,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "ds-au",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1959,
      "usd": 19841.603596638983,
      "gold_usd": 35.146928784,
      "gold_oz": 564.5330696909002,
      "series": "metal",
      "source": "metal",
      "gold_source": "ds-au",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1960,
      "usd": 1630,
      "gold_usd": 35,
      "gold_oz": 46.57142857142857,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1960,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1961,
      "usd": 1480,
      "gold_usd": 35,
      "gold_oz": 42.285714285714285,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1961,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1962,
      "usd": 1190,
      "gold_usd": 35,
      "gold_oz": 34.0,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1962,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1963,
      "usd": 1170,
      "gold_usd": 35,
      "gold_oz": 33.42857142857143,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1963,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1964,
      "usd": 1170,
      "gold_usd": 35,
      "gold_oz": 33.42857142857143,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1964,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1965,
      "usd": 992,
      "gold_usd": 35,
      "gold_oz": 28.34285714285714,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1965,
      "usd": 19841.603596638983,
      "gold_usd": 35,
      "gold_oz": 566.9029599039709,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "99.5% 金属锂",
      "estimated": false,
      "segment": "metal-995"
    },
    {
      "year": 1966,
      "usd": 1060,
      "gold_usd": 35,
      "gold_oz": 30.285714285714285,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1966,
      "usd": 16534.669663865818,
      "gold_usd": 35,
      "gold_oz": 472.4191332533091,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1967,
      "usd": 970,
      "gold_usd": 35,
      "gold_oz": 27.714285714285715,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1967,
      "usd": 16534.669663865818,
      "gold_usd": 35,
      "gold_oz": 472.4191332533091,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1968,
      "usd": 992,
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      "gold_oz": 25.435897435897434,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1968,
      "usd": 16534.669663865818,
      "gold_usd": 39,
      "gold_oz": 423.96588881707225,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1969,
      "usd": 1010,
      "gold_usd": 41,
      "gold_oz": 24.634146341463413,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1969,
      "usd": 17085.82531932801,
      "gold_usd": 41,
      "gold_oz": 416.7274468128783,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1970,
      "usd": 1150,
      "gold_usd": 36,
      "gold_oz": 31.944444444444443,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1970,
      "usd": 18033.813046722986,
      "gold_usd": 36,
      "gold_oz": 500.9392512978607,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1971,
      "usd": 1120,
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      "gold_oz": 27.317073170731707,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1971,
      "usd": 18033.813046722986,
      "gold_usd": 41,
      "gold_oz": 439.8490987005606,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1966"
    },
    {
      "year": 1972,
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      "gold_oz": 20.0,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1972,
      "usd": 18033.813046722986,
      "gold_usd": 58,
      "gold_oz": 310.9278111503963,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1973,
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      "gold_oz": 12.577319587628866,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1973,
      "usd": 18033.813046722986,
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      "gold_oz": 185.9155984198246,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1974,
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      "gold_oz": 10.943396226415095,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1974,
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      "gold_oz": 130.05886913799696,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1975,
      "usd": 1720,
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      "gold_oz": 10.683229813664596,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1975,
      "usd": 24471.31110252141,
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      "gold_oz": 151.99572113367336,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1976,
      "usd": 1830,
      "gold_usd": 125,
      "gold_oz": 14.64,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1976,
      "usd": 25573.6224134458,
      "gold_usd": 125,
      "gold_oz": 204.5889793075664,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1977,
      "usd": 1940,
      "gold_usd": 148,
      "gold_oz": 13.108108108108109,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1977,
      "usd": 25573.6224134458,
      "gold_usd": 148,
      "gold_oz": 172.79474603679594,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1972"
    },
    {
      "year": 1978,
      "usd": 2110,
      "gold_usd": 193,
      "gold_oz": 10.932642487046632,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1978,
      "usd": 29101.01860840384,
      "gold_usd": 193,
      "gold_oz": 150.78247983628933,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1979,
      "usd": 2260,
      "gold_usd": 307,
      "gold_oz": 7.361563517915309,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1979,
      "usd": 34502.34403193334,
      "gold_usd": 307,
      "gold_oz": 112.38548544603694,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1980,
      "usd": 2660,
      "gold_usd": 608,
      "gold_oz": 4.375,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1980,
      "usd": 37809.2779647065,
      "gold_usd": 608,
      "gold_oz": 62.186312441951486,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1981,
      "usd": 3110,
      "gold_usd": 460,
      "gold_oz": 6.760869565217392,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1981,
      "usd": 45525.45714117722,
      "gold_usd": 460,
      "gold_oz": 98.96838508951569,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1982,
      "usd": 3110,
      "gold_usd": 376,
      "gold_oz": 8.27127659574468,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1982,
      "usd": 45525.45714117722,
      "gold_usd": 376,
      "gold_oz": 121.07834346057771,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1983,
      "usd": 3260,
      "gold_usd": 423,
      "gold_oz": 7.706855791962175,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1983,
      "usd": 47840.31089411843,
      "gold_usd": 423,
      "gold_oz": 113.09766168822324,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1984,
      "usd": 3400,
      "gold_usd": 360,
      "gold_oz": 9.444444444444445,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1984,
      "usd": 50044.93351596721,
      "gold_usd": 360,
      "gold_oz": 139.01370421102004,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1985,
      "usd": 3310,
      "gold_usd": 318,
      "gold_oz": 10.40880503144654,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1985,
      "usd": 53351.86744874037,
      "gold_usd": 318,
      "gold_oz": 167.7731680777999,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1986,
      "usd": 3310,
      "gold_usd": 368,
      "gold_oz": 8.994565217391305,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1986,
      "usd": 53351.86744874037,
      "gold_usd": 368,
      "gold_oz": 144.97790067592493,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1987,
      "usd": 3420,
      "gold_usd": 446,
      "gold_oz": 7.668161434977579,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1987,
      "usd": 56107.64572605134,
      "gold_usd": 446,
      "gold_oz": 125.80189624675188,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1988,
      "usd": 3590,
      "gold_usd": 437,
      "gold_oz": 8.215102974828376,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1988,
      "usd": 58863.424003362314,
      "gold_usd": 437,
      "gold_oz": 134.69891076284281,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1989,
      "usd": 3810,
      "gold_usd": 381,
      "gold_oz": 10.0,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1989,
      "usd": 62390.820198320354,
      "gold_usd": 381,
      "gold_oz": 163.755433591392,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1990,
      "usd": 4030,
      "gold_usd": 383,
      "gold_oz": 10.52219321148825,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1990,
      "usd": 66138.67865546327,
      "gold_usd": 383,
      "gold_oz": 172.6858450534289,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1978"
    },
    {
      "year": 1991,
      "usd": 4210,
      "gold_usd": 362,
      "gold_oz": 11.629834254143647,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1991,
      "usd": 69445.61258823643,
      "gold_usd": 362,
      "gold_oz": 191.83870880728296,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1991"
    },
    {
      "year": 1992,
      "usd": 4320,
      "gold_usd": 344,
      "gold_oz": 12.55813953488372,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1992,
      "usd": 71540.00407899277,
      "gold_usd": 344,
      "gold_oz": 207.9651281366069,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1991"
    },
    {
      "year": 1993,
      "usd": 4210,
      "gold_usd": 360,
      "gold_oz": 11.694444444444445,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1993,
      "usd": 74075.32009411887,
      "gold_usd": 360,
      "gold_oz": 205.7647780392191,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1991"
    },
    {
      "year": 1994,
      "usd": 4410,
      "gold_usd": 384,
      "gold_oz": 11.484375,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1994,
      "usd": 79322.32193411895,
      "gold_usd": 384,
      "gold_oz": 206.56854670343478,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1991"
    },
    {
      "year": 1995,
      "usd": 4340,
      "gold_usd": 384,
      "gold_oz": 11.302083333333334,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1995,
      "usd": 86090.51338319469,
      "gold_usd": 384,
      "gold_oz": 224.19404526873618,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1995"
    },
    {
      "year": 1996,
      "usd": 4340,
      "gold_usd": 388,
      "gold_oz": 11.185567010309278,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1996,
      "usd": 89507.67844706029,
      "gold_usd": 388,
      "gold_oz": 230.68989290479456,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1995"
    },
    {
      "year": 1997,
      "usd": 4480,
      "gold_usd": 331,
      "gold_oz": 13.534743202416918,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1997,
      "usd": 95526.29820470745,
      "gold_usd": 331,
      "gold_oz": 288.59908823174453,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1997"
    },
    {
      "year": 1998,
      "usd": 4480,
      "gold_usd": 294,
      "gold_oz": 15.238095238095237,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1998,
      "usd": 95526.29820470745,
      "gold_usd": 294,
      "gold_oz": 324.9193816486648,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1997"
    },
    {
      "year": 1999,
      "usd": 4470,
      "gold_usd": 279,
      "gold_oz": 16.021505376344088,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 1999,
      "usd": 86090.51338319469,
      "gold_usd": 279,
      "gold_oz": 308.5681483268627,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1997"
    },
    {
      "year": 2000,
      "usd": 4470,
      "gold_usd": 279,
      "gold_oz": 16.021505376344088,
      "series": "historical",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂报价代理；USGS 单位价值",
      "estimated": false,
      "segment": "historical"
    },
    {
      "year": 2000,
      "usd": 86090.51338319469,
      "gold_usd": 279,
      "gold_oz": 308.5681483268627,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "≥99.8% 技术级金属锂",
      "estimated": false,
      "segment": "metal-1997"
    },
    {
      "year": 2001,
      "usd": 1490,
      "gold_usd": 271,
      "gold_oz": 5.498154981549815,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2001,
      "usd": 76059.48045378276,
      "gold_usd": 271,
      "gold_oz": 280.66228949735336,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "金属锂估计价：据碳酸锂走势估算，非原始报价",
      "estimated": true,
      "segment": "metal-est"
    },
    {
      "year": 2002,
      "usd": 1590,
      "gold_usd": 310,
      "gold_oz": 5.129032258064516,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2002,
      "usd": 76610.63610924495,
      "gold_usd": 310,
      "gold_oz": 247.1310842233708,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "金属锂估计价：据碳酸锂走势估算，非原始报价",
      "estimated": true,
      "segment": "metal-est"
    },
    {
      "year": 2003,
      "usd": 1550,
      "gold_usd": 364,
      "gold_oz": 4.258241758241758,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2003,
      "usd": 76610.63610924495,
      "gold_usd": 364,
      "gold_oz": 210.4687805199037,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "金属锂估计价：据碳酸锂走势估算，非原始报价",
      "estimated": true,
      "segment": "metal-est"
    },
    {
      "year": 2004,
      "usd": 1720,
      "gold_usd": 409,
      "gold_oz": 4.205378973105135,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2004,
      "usd": 76941.32950252228,
      "gold_usd": 409,
      "gold_oz": 188.1206100306168,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "金属锂估计价：据碳酸锂走势估算，非原始报价",
      "estimated": true,
      "segment": "metal-est"
    },
    {
      "year": 2005,
      "usd": 1460,
      "gold_usd": 445,
      "gold_oz": 3.2808988764044944,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2005,
      "usd": 77272.02289579959,
      "gold_usd": 445,
      "gold_oz": 173.64499527145975,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "金属锂估计价：据碳酸锂走势估算，非原始报价",
      "estimated": true,
      "segment": "metal-est"
    },
    {
      "year": 2006,
      "usd": 2320,
      "gold_usd": 604,
      "gold_oz": 3.8410596026490067,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2006,
      "usd": 77558.62383663993,
      "gold_usd": 604,
      "gold_oz": 128.408317610331,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "日本金属锂进口平均单位价值",
      "estimated": false,
      "segment": "metal-import"
    },
    {
      "year": 2007,
      "usd": 3530,
      "gold_usd": 697,
      "gold_oz": 5.0645624103299856,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2007,
      "usd": 89265.16995865693,
      "gold_usd": 697,
      "gold_oz": 128.07054513437149,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "日本金属锂进口平均单位价值",
      "estimated": false,
      "segment": "metal-import"
    },
    {
      "year": 2008,
      "usd": 4440,
      "gold_usd": 872,
      "gold_oz": 5.091743119266055,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2008,
      "usd": 89441.53976840484,
      "gold_usd": 872,
      "gold_oz": 102.57057312890463,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "日本金属锂进口平均单位价值",
      "estimated": false,
      "segment": "metal-import"
    },
    {
      "year": 2009,
      "usd": 4530,
      "gold_usd": 973,
      "gold_oz": 4.655704008221994,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2009,
      "usd": 76301.98894218613,
      "gold_usd": 973,
      "gold_oz": 78.41931032084905,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "日本金属锂进口平均单位价值",
      "estimated": false,
      "segment": "metal-import"
    },
    {
      "year": 2010,
      "usd": 4350,
      "gold_usd": 1225,
      "gold_oz": 3.5510204081632653,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2010,
      "usd": 73546.21066487515,
      "gold_usd": 1225,
      "gold_oz": 60.03772299173482,
      "series": "metal",
      "source": "metal",
      "gold_source": "wb",
      "note": "日本金属锂进口平均单位价值",
      "estimated": false,
      "segment": "metal-import"
    },
    {
      "year": 2011,
      "usd": 3870,
      "gold_usd": 1569,
      "gold_oz": 2.4665391969407264,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2012,
      "usd": 4220,
      "gold_usd": 1670,
      "gold_oz": 2.5269461077844313,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2013,
      "usd": 4390,
      "gold_usd": 1411,
      "gold_oz": 3.111268603827073,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2014,
      "usd": 4510,
      "gold_usd": 1266,
      "gold_oz": 3.5624012638230647,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2015,
      "usd": 6500,
      "gold_usd": 1161,
      "gold_oz": 5.598621877691645,
      "series": "battery",
      "source": "mcs2020",
      "gold_source": "wb",
      "note": "电池级碳酸锂年均价；MCS 2020 历史版本",
      "estimated": false,
      "segment": "battery-early"
    },
    {
      "year": 2015,
      "usd": 4540,
      "gold_usd": 1161,
      "gold_oz": 3.9104220499569338,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2016,
      "usd": 8650,
      "gold_usd": 1249,
      "gold_oz": 6.925540432345877,
      "series": "battery",
      "source": "mcs2020",
      "gold_source": "wb",
      "note": "电池级碳酸锂年均价；MCS 2020 历史版本",
      "estimated": false,
      "segment": "battery-early"
    },
    {
      "year": 2016,
      "usd": 4920,
      "gold_usd": 1249,
      "gold_oz": 3.9391513210568454,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2017,
      "usd": 15000,
      "gold_usd": 1258,
      "gold_oz": 11.92368839427663,
      "series": "battery",
      "source": "mcs2020",
      "gold_source": "wb",
      "note": "电池级碳酸锂年均价；MCS 2020 历史版本",
      "estimated": false,
      "segment": "battery-early"
    },
    {
      "year": 2017,
      "usd": 4900,
      "gold_usd": 1258,
      "gold_oz": 3.8950715421303657,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2018,
      "usd": 17000,
      "gold_usd": 1269,
      "gold_oz": 13.396375098502759,
      "series": "battery",
      "source": "mcs2020",
      "gold_source": "wb",
      "note": "电池级碳酸锂年均价；MCS 2020 历史版本",
      "estimated": false,
      "segment": "battery-early"
    },
    {
      "year": 2018,
      "usd": 7300,
      "gold_usd": 1269,
      "gold_oz": 5.752561071710008,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2019,
      "usd": 12100,
      "gold_usd": 1392,
      "gold_oz": 8.692528735632184,
      "series": "battery",
      "source": "mcs2024",
      "gold_source": "wb",
      "note": "电池级碳酸锂名义年均评估价；MCS 2024 历史版本",
      "estimated": false,
      "segment": "battery-nominal"
    },
    {
      "year": 2019,
      "usd": 8030,
      "gold_usd": 1392,
      "gold_oz": 5.76867816091954,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2020,
      "usd": 8600,
      "gold_usd": 1770,
      "gold_oz": 4.858757062146893,
      "series": "battery",
      "source": "mcs2024",
      "gold_source": "wb",
      "note": "电池级碳酸锂名义年均评估价；MCS 2024 历史版本",
      "estimated": false,
      "segment": "battery-nominal"
    },
    {
      "year": 2020,
      "usd": 6400,
      "gold_usd": 1770,
      "gold_oz": 3.615819209039548,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2021,
      "usd": 12600,
      "gold_usd": 1800,
      "gold_oz": 7.0,
      "series": "battery",
      "source": "mcs2024",
      "gold_source": "wb",
      "note": "电池级碳酸锂名义年均评估价；MCS 2024 历史版本",
      "estimated": false,
      "segment": "battery-nominal"
    },
    {
      "year": 2021,
      "usd": 6200,
      "gold_usd": 1800,
      "gold_oz": 3.4444444444444446,
      "series": "imports",
      "source": "ds-li",
      "gold_source": "wb",
      "note": "碳酸锂进口平均单位价值；非现货报价",
      "estimated": false,
      "segment": "imports"
    },
    {
      "year": 2022,
      "usd": 68100,
      "gold_usd": 1801,
      "gold_oz": 37.81232648528595,
      "series": "battery",
      "source": "mcs2024",
      "gold_source": "wb",
      "note": "电池级碳酸锂名义年均评估价；MCS 2024 历史版本",
      "estimated": false,
      "segment": "battery-nominal"
    },
    {
      "year": 2023,
      "usd": 46000,
      "gold_usd": 1943,
      "gold_oz": 23.674729799279465,
      "series": "battery",
      "source": "mcs2024",
      "gold_source": "wb",
      "note": "电池级碳酸锂名义年均评估价；MCS 2024 历史版本",
      "estimated": true,
      "segment": "battery-nominal"
    },
    {
      "year": 2024,
      "usd": 14000,
      "gold_usd": 2388,
      "gold_oz": 5.8626465661641545,
      "series": "battery",
      "source": "mcs2025",
      "gold_source": "wb",
      "note": "报告正文：美国固定合同年度平均价；与前段评估价口径有别",
      "estimated": true,
      "segment": "battery-contracts"
    },
    {
      "year": 2025,
      "usd": 9000,
      "gold_usd": 3442,
      "gold_oz": 2.6147588611272514,
      "series": "battery",
      "source": "mcs2026",
      "gold_source": "wb",
      "note": "报告正文：美国固定合同年度平均价；与前段评估价口径有别",
      "estimated": true,
      "segment": "battery-contracts"
    }
  ]
}