|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $1,437 | $99,726 | $501,481 | $154,389 | $166,988 | $41,319 | $29,868 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $71,535,566 | $120,744,243 | $2,690,632 | $2,944,842 | $2,222,366 | $1,916,713 | $1,940,375 |
| Total | $71,537,003 | $120,843,969 | $3,192,113 | $3,099,231 | $2,389,354 | $1,958,032 | $1,970,243 |
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