|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $42,000 | $27,000 | | $21,000 | $50,000 | $206,703 | $75,303 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $5,581,000 | $3,471,000 | $3,628,000 | $4,251,000 | $425,000 | $541,932 | $1,949,368 |
| Total | $5,623,000 | $3,498,000 | $3,628,000 | $4,272,000 | $475,000 | $748,635 | $2,024,671 |
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