|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $33,228 | $34,994 | $31,417 | $66,061 | $31,638 | $106,062 | $11,842 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $44,657,347 | $45,990,414 | $39,933,383 | $99,175,529 | $77,683,733 | $93,885,974 | $108,261,133 |
| Total | $44,690,575 | $46,025,408 | $39,964,800 | $99,241,590 | $77,715,371 | $93,992,036 | $108,272,975 |
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