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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bituminous/oil shale & tar sands | $156,347 | $116,372 | $77,141 | $675,057 | $433,385 | $129,212 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $515,596 | $1,143,356 | $1,604,189 | $4,296,651 | $6,714,720 | $1,035,191 |
| Total | $671,943 | $1,259,728 | $1,681,330 | $4,971,708 | $7,148,105 | $1,164,403 |
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