|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $2,124 | $5,612 | $4,420 | $3,614 | $7,040 | $2,571 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $2,246,644 | $2,753,902 | $3,248,221 | $2,639,027 | $3,365,988 | $2,791,275 | $6,938,081 |
| Total | $2,246,644 | $2,756,026 | $3,253,833 | $2,643,447 | $3,369,602 | $2,798,315 | $6,940,652 |
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