|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $460,892 | $73,333 | $136,669 | $13,208 | $81,322 | $179,855 | $117,717 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $10,496,320 | $33,209,527 | $60,028,671 | $60,797,559 | $16,818,211 | $27,362,090 | $47,190,252 |
| Total | $10,957,212 | $33,282,860 | $60,165,340 | $60,810,767 | $16,899,533 | $27,541,945 | $47,307,969 |
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