|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | | $558 | | | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $1,186,446 | $18,468 | $20,415 | $25,768 | $13,411 | $147,866 | $175,489 |
| Total | $1,186,446 | $18,468 | $20,415 | $26,326 | $13,411 | $147,866 | $175,489 |
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