{
  "data": [
    {
      "year": 2016,
      "region": "Canada",
      "quantity_mt": null,
      "quantity_mt_millions": null,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "unavailable",
      "source": "USGS MCS world table not extracted for 2016 in this collect",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2017/",
      "note": null,
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2017,
      "region": "Canada",
      "quantity_mt": null,
      "quantity_mt_millions": null,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "unavailable",
      "source": "USGS MCS world table not extracted for 2017 in this collect",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2018/",
      "note": null,
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2018,
      "region": "Canada",
      "quantity_mt": null,
      "quantity_mt_millions": null,
      "unit": "MT",
      "form": "elemental_cru_context",
      "data_type": "industry_estimate",
      "source": "CRU / BC Insight (Shell Foothills plants produced 750 kt in 2018; national total not printed as single line)",
      "source_url": "https://www.bcinsight.crugroup.com/2020/03/31/north-american-sulphur/",
      "note": "National all-forms USGS print for 2018 not retained in currently fetched MCS sheets",
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2019,
      "region": "Canada",
      "quantity_mt": 4800000,
      "quantity_mt_millions": 4.8,
      "unit": "MT",
      "form": "elemental",
      "data_type": "industry_estimate",
      "source": "CRU Group / BC Insight Canadian sulphur",
      "source_url": "https://www.bcinsight.crugroup.com/2021/01/31/canadian-sulphur/",
      "note": "Split: oil sands upgrading ~2.5; Alberta sour gas ~1.5; BC sour gas ~0.25; conventional refining ~0.6",
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2019,
      "region": "Canada",
      "quantity_mt": 6940000,
      "quantity_mt_millions": 6.94,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2021 (world production table)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2021/mcs2021-sulfur.pdf",
      "note": "USGS later revised Canada all-forms series downward in subsequent MCS editions",
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2020,
      "region": "Canada",
      "quantity_mt": 6300000,
      "quantity_mt_millions": 6.3,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2021 (estimate)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2021/mcs2021-sulfur.pdf",
      "note": "Superseded by later MCS revisions (~4.9 Mt in MCS 2022)",
      "preferred": false,
      "superseded": true,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2020,
      "region": "Canada",
      "quantity_mt": 4900000,
      "quantity_mt_millions": 4.9,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2022 (revised)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2022/mcs2022-sulfur.pdf",
      "note": "Preferred revised print vs MCS 2021 estimate",
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2021,
      "region": "Canada",
      "quantity_mt": 4900000,
      "quantity_mt_millions": 4.9,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2022 (estimate)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2022/mcs2022-sulfur.pdf",
      "note": null,
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2022,
      "region": "Canada",
      "quantity_mt": 4900000,
      "quantity_mt_millions": 4.9,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2024",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2024/mcs2024-sulfur.pdf",
      "note": null,
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2023,
      "region": "Canada",
      "quantity_mt": 4980000,
      "quantity_mt_millions": 4.98,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2025",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2025/mcs2025-sulfur.pdf",
      "note": null,
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2023,
      "region": "Canada",
      "quantity_mt": 4520000,
      "quantity_mt_millions": 4.52,
      "unit": "MT",
      "form": "elemental",
      "data_type": "industry_estimate",
      "source": "CRU Group / BC Insight Canada sulphur exports",
      "source_url": "https://www.bcinsight.crugroup.com/2024/05/31/canadas-sulphur-exports/",
      "note": "Elemental; oil sands upgrading ~2.6; Alberta sour gas ~1.3; BC gas ~0.4; refining ~0.2",
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2024,
      "region": "Canada",
      "quantity_mt": 5060000,
      "quantity_mt_millions": 5.06,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2026 (reported)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2026/mcs2026-sulfur.pdf",
      "note": null,
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2025,
      "region": "Canada",
      "quantity_mt": 5000000,
      "quantity_mt_millions": 5,
      "unit": "MT",
      "form": "all_forms",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2026 (estimate)",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2026/mcs2026-sulfur.pdf",
      "note": null,
      "preferred": true,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    },
    {
      "year": 2025,
      "region": "Canada",
      "quantity_mt": 4700000,
      "quantity_mt_millions": 4.7,
      "unit": "MT",
      "form": "elemental",
      "data_type": "industry_estimate",
      "source": "CRU Group / BC Insight Oil sands sulphur",
      "source_url": "https://www.bcinsight.crugroup.com/2026/03/23/oil-sands-sulphur/",
      "note": "Oil sands upgrading ~3.0 Mt (~63% of Canada elemental)",
      "preferred": false,
      "superseded": false,
      "ingested_at": "2026-07-21T17:28:56.240Z"
    }
  ]
}