|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $1,788 | $1,528 | $385,412 | $15,769 | $1,864 | $9,329 | $35,580 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $677,279 | $814,608 | $1,028,503 | $2,902,781 | $3,706,362 | $2,364,776 | $1,571,481 |
| Total | $679,067 | $816,136 | $1,413,915 | $2,918,550 | $3,708,226 | $2,374,105 | $1,607,061 |
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