年份 | 分类 | 数值 |
2000 | United States : coal thousand tons | 18,943.74 |
2001 | United States : coal thousand tons | 17,561.23 |
2002 | United States : coal thousand tons | 17,720.46 |
2003 | United States : coal thousand tons | 24,275.04 |
2004 | United States : coal thousand tons | 23,833.12 |
2005 | United States : coal thousand tons | 23,227.03 |
2006 | United States : coal thousand tons | 22,810.10 |
2007 | United States : coal thousand tons | 22,168.15 |
2008 | United States : coal thousand tons | 20,507.06 |
2009 | United States : coal thousand tons | 21,727.00 |
2010 | United States : coal thousand tons | 21,531.94 |
2011 | United States : coal thousand tons | 19,332.83 |
2012 | United States : coal thousand tons | 18,349.82 |
2013 | United States : coal thousand tons | 18,107.22 |
2014 | United States : coal thousand tons | 16,631.87 |