|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $325,911 | $465,516 | $306,362 | $1 | | $456 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | | | $13,589 | $6,551 | $119,240 | $226,769 | $112,653 |
| Total | $325,911 | $465,516 | $319,951 | $6,552 | $119,240 | $227,225 | $112,653 |
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