|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $17,166 | $3,990 | $1,905 | $200 | $858 | $2,451 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $10,302 | $22,957 | $10,603 | $40,227 | $36,250 | $139,352 | $123,799 |
| Total | $27,468 | $26,947 | $12,508 | $40,427 | $37,108 | $141,803 | $123,799 |
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