|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $1,875,513 | $18,503 | $2,854 | $593,346 | $326,320 | | $1,778 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $5,420 | | $106,150 | $119,777 | $34,162 | $6,833 | $70,735 |
| Total | $1,880,933 | $18,503 | $109,004 | $713,123 | $360,482 | $6,833 | $72,513 |
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