查询结果如下：   

年份	分类	数值(Thousand Short Tons)
2000	Coal Production Waste	1,073,612.00
2001	Coal Production Waste	1,127,689.00
2002	Coal Production Waste	1,094,283.00
2003	Coal Production Waste	1,071,753.00
2004	Coal Production Waste	1,112,099.00
2005	Coal Production Waste	1,131,498.00
2006	Coal Production Waste	1,162,750.00
2007	Coal Production Waste	1,146,635.00
2008	Coal Production Waste	1,171,809.00
2009	Coal Production Waste	1,074,923.00
2010	Coal Production Waste	1,084,368.00
2011	Coal Production Waste	1,095,628.00
2012	Coal Production Waste	1,016,458.00
2013	Coal Production Waste	984,841.80
2014	Coal Production Waste	1,000,049.00
2015	Coal Production Waste	NA
2016	Coal Production Waste	NA

  
数据来源：http://www.eia.gov