|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $8,107 | | | | | $2,734 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $89,550 | $1,989,242 | $1,283,421 | $237,420 | $279,072 | $353,371 | $428,161 |
| Total | $97,657 | $1,989,242 | $1,283,421 | $237,420 | $279,072 | $356,105 | $428,161 |
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