|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $6,414 | $854 | | $171 | | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $233,741 | $401,704 | $1,889,631 | $3,180,244 | $779,507 | $672,835 | $808,918 |
| Total | $233,741 | $408,118 | $1,890,485 | $3,180,244 | $779,678 | $672,835 | $808,918 |
|
|
