|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | | | | $13,900 | $520 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $219,209 | $90,190 | $151,596 | $396,188 | $185,183 | $208,062 | $137,244 |
| Total | $219,209 | $90,190 | $151,596 | $396,188 | $185,183 | $221,962 | $137,764 |
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