|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bituminous/oil shale & tar sands | | | $2,746 | $469 | $2,996 | $162 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $20,033 | $73,660 | $137,111 | $194,092 | $108,533 | $125,446 |
| Total | $20,033 | $73,660 | $139,857 | $194,561 | $111,529 | $125,608 |
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