Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Bituminous/oil shale & tar sands | $2,599,280 | $2,604,256 | $1,183,477 | $36,457 | $13,789 | $1,503,787 |
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $95,831 | $20,563 | $786,185 | $1,605,800 | $602,742 | $1,521,604 |
Total | $2,695,111 | $2,624,819 | $1,969,662 | $1,642,257 | $616,531 | $3,025,391 |
|
|