|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $164 | | | | $1,522 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $521,138 | $756,623 | $581,829 | $177,563 | $5,653,460 | $5,031,656 | $237,918 |
| Total | $521,138 | $756,787 | $581,829 | $177,563 | $5,653,460 | $5,033,178 | $237,918 |
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