|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $139 | | | | | | $5,594 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $535,136 | $891,014 | $652,828 | $661,697 | $562,441 | $473,477 | $572,243 |
| Total | $535,275 | $891,014 | $652,828 | $661,697 | $562,441 | $473,477 | $577,837 |
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