|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | | $22,649 | $38,700 | $13,068 | $14,742 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $30,973 | $63,481 | $40,843 | $120,724 | $75,701 | $40,083 | $488,854 |
| Total | $30,973 | $63,481 | $40,843 | $143,373 | $114,401 | $53,151 | $503,596 |
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