| 年份 | 分类 | 数值 |
| 2000 | United States : coal million MMBtu | 20,232.30 |
| 2001 | United States : coal million MMBtu | 20,417.97 |
| 2002 | United States : coal million MMBtu | 20,783.58 |
| 2003 | United States : coal million MMBtu | 20,940.25 |
| 2004 | United States : coal million MMBtu | 21,350.38 |
| 2005 | United States : coal million MMBtu | 21,059.97 |
| 2006 | United States : coal million MMBtu | 21,363.59 |
| 2007 | United States : coal million MMBtu | 21,051.71 |
| 2008 | United States : coal million MMBtu | 18,703.28 |
| 2009 | United States : coal million MMBtu | 19,687.25 |
| 2010 | United States : coal million MMBtu | 18,554.12 |
| 2011 | United States : coal million MMBtu | 16,288.06 |
| 2012 | United States : coal million MMBtu | 16,910.58 |
| 2013 | United States : coal million MMBtu | 16,863.55 |
| 2014 | United States : coal million MMBtu | 14,524.77 |