|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | $15 | | $9,604 | | $85 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $545,796 | $891,414 | $3,334,356 | $10,933,202 | $17,831,166 | $29,289,098 | $54,088,056 |
| Total | $545,796 | $891,414 | $3,334,371 | $10,933,202 | $17,840,770 | $29,289,098 | $54,088,141 |
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