|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $247,735 | $3,016 | $1,406 | $671,921 | $508,325 | $256,663 | $750 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | | $430,813 | $959,558 | $218,565 | $14,493 | $23,085 | $11,729 |
| Total | $247,735 | $433,829 | $960,964 | $890,486 | $522,818 | $279,748 | $12,479 |
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