|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Bituminous/oil shale & tar sands | $700,900 | $1,012,400 | $1,144,700 | $1,147,900 | $45,300 | $5,000 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $4,808,600 | $60,500 | $2,065,000 | $24,000 | $2,100 | |
| Total | $5,509,500 | $1,072,900 | $3,209,700 | $1,171,900 | $47,400 | $5,000 |
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