The sum of sales, mine consumption, issues to miners, and issues to coke, briquetting, and other ancillary plants at mines. Production data include quantities extracted from surface and underground mines, and normally exclude wastes removed at mines or associated reparation plants. Primary coal is all coal milled and, when necessary, washed and sorted.
| 日付 | 値 | 変更 , % |
|---|---|---|
| 2022 | 17 | -49.35% |
| 2021 | 33 | 5.77% |
| 2020 | 31 | 3.01% |
| 2019 | 30 | 8.72% |
| 2018 | 28 | 8.70% |
| 2017 | 25 | 9.52% |
| 2016 | 23 | 10.53% |
| 2015 | 21 | -9.52% |
| 2014 | 23 | 10.53% |
| 2013 | 21 | 18.16% |
| 2012 | 18 | 22.19% |
| 2011 | 15 |