|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | $89 | | | $3 | $8,171 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $2,058,536 | $1,663,372 | $1,345,978 | $2,331,702 | $1,315,662 | $443,301 | $719,705 |
| Total | $2,058,536 | $1,663,372 | $1,346,067 | $2,331,702 | $1,315,662 | $443,304 | $727,876 |
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