|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $635,274 | $9,236,524 | $17,862,708 | $9,011,969 | $14,493,357 | $15,742,836 | $6,258,209 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $16,335,093 | $20,371,916 | $25,935,632 | $59,170,936 | $52,855,576 | $68,320,872 | $37,517,029 |
| Total | $16,970,367 | $29,608,440 | $43,798,340 | $68,182,905 | $67,348,933 | $84,063,708 | $43,775,238 |
|
|
