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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $317,662 | $549,209 | $271,823 | $206,913 | $172,424 | $84,518 | $1,042,907 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $772,678 | $180,798 | $1,618,669 | $1,111,180 | $2,720,144 | $1,368,917 | $3,170,436 |
| Total | $1,090,340 | $730,007 | $1,890,492 | $1,318,093 | $2,892,568 | $1,453,435 | $4,213,343 |
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