|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $982,934 | $1,485,418 | $65,875 | | $189,770 | $827,873 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $316,790 | $322,775 | $260,658 | $178,628 | $323,728 | $486,699 | $288,573 |
| Total | $1,299,724 | $1,808,193 | $326,533 | $178,628 | $513,498 | $1,314,572 | $288,573 |
|
|
