|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $14,889 | $40,384 | $9,168 | | $1,189 | $6,971 | $787 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $805,415 | $1,684,579 | $3,998,023 | $5,340,594 | $3,040,455 | $2,273,756 | $2,396,088 |
| Total | $820,304 | $1,724,963 | $4,007,191 | $5,340,594 | $3,041,644 | $2,280,727 | $2,396,875 |
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