|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $2,379 | $2,317 | | | $3,782 | $9,594 | |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $11,539 | $86,857 | $615 | $797,749 | $882,173 | $448,811 | $182,428 |
| Total | $13,918 | $89,174 | $615 | $797,749 | $885,955 | $458,405 | $182,428 |
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