|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $210,222 | $171,382 | $127,069 | $27,582 | $63,713 | $139,679 | $73,617 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $2,827,986 | $2,864,829 | $2,145,101 | $4,180,690 | $2,373,423 | $2,339,257 | $5,396,954 |
| Total | $3,038,208 | $3,036,211 | $2,272,170 | $4,208,272 | $2,437,136 | $2,478,936 | $5,470,571 |
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