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[null,"３－１　石炭鉱業の推移"]
[]
[null,"区　　　　　分",null,"平成29年度\n（2017年度）","平成30年度\n（2018年度）","令和元年度\n（2019年度）","令和２年度\n（2020年度）","令和３年度\n（2021年度）"]
[null,"生産量（千トン）",null,1291,935,748,720,625]
[null,null,"原　料　炭","－","－","－","－","－"]
[null,null,"一　般　炭",1291,935,748,720,625]
[null,null,"そ　の　他","－","－","－","－","－"]
[null,"稼行炭鉱数（箇所）",null,8,7,7,7,7]
[]
[null,"（注）操業しているのは、北海道のみ。"]
[null,"北海道調べ"]