|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $117,824 | $539,981 | $65,374 | $10,964,895 | $2,357,369 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $26,327,013 | $33,660,398 | $47,070,406 | $71,848,177 | $39,629,418 | $40,927,259 | $3,978,111 |
| Total | $26,327,013 | $33,778,222 | $47,610,387 | $71,913,551 | $50,594,313 | $43,284,628 | $3,978,111 |
|
|
