|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $1,541 | $1,381,069 | $132,885 | $35,140 | $183,826 | $2,122,691 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $61,831 | $9,085 | $5,655 | $22,024 | $1,790,243 | $296 | $2,618,121 |
| Total | $61,831 | $10,626 | $1,386,724 | $154,909 | $1,825,383 | $184,122 | $4,740,812 |
|
|
