|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $7,809 | $29,843 | | | | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $1,213 | $7 | $606 | $293,931 | $2,056 | $121,665 | $29,222 |
| Total | $1,213 | $7,816 | $30,449 | $293,931 | $2,056 | $121,665 | $29,222 |
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