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 |