{
  "years": [
    2000,
    2001,
    2002,
    2003,
    2004,
    2005,
    2006,
    2007,
    2008,
    2009,
    2010,
    2011,
    2012,
    2013,
    2014,
    2015,
    2016,
    2017,
    2018,
    2019,
    2020,
    2021,
    2022,
    2023,
    2024,
    2025,
    2026
  ],
  "historical_usd_per_mt": [
    100.739016,
    106.372979,
    132.16746,
    131.918755,
    134.390885,
    129.673829,
    169.138636,
    231.184935,
    292.967473,
    192.107475,
    195.2299,
    280.28247,
    276.330185,
    265.68628,
    242.898913,
    185.865979,
    143.200967,
    145.293587,
    186.128986,
    163.257674,
    185.513179,
    265.793165,
    360.174781,
    272.332171,
    201.194877,
    173.09195,
    null
  ],
  "weo_assumption_usd_per_mt": [
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    null,
    201.401136
  ],
  "unit": "US dollars per metric ton, annual average",
  "source": "IMF World Economic Outlook commodity prices (PWHEAMT), vintage ingested 2026-08-10",
  "notes": [
    "2000-2025 treated as historical annual averages in this vintage.",
    "2026 is the WEO assumption in the same vintage, not a realized annual average.",
    "Nulls are omitted classes, not zeros. No interpolation."
  ]
}