|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | $748 | | | $1,365 | | $3,938 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $171,838 | $23,732 | $613,043 | $39,499 | $927,370 | $812,337 | $769,076 |
| Total | $171,838 | $24,480 | $613,043 | $39,499 | $928,735 | $812,337 | $773,014 |
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