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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $1,388,146 | $2,902,348 | $3,653,375 | $4,838,521 | $2,811,792 | $2,353,873 | $2,324,667 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $14,279 | $2,622 | $90,883 | $59,918 | $158,654 | $13,240 | $2,328 |
| Total | $1,402,425 | $2,904,970 | $3,744,258 | $4,898,439 | $2,970,446 | $2,367,113 | $2,326,995 |
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