|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bituminous/oil shale & tar sands | $17,840 | $18,324 | $25,974 | $122,202 | $51,448 | $47,225 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $82,242 | $394,216 | $616,265 | $1,485,837 | $65,649 | $225,441 |
| Total | $100,082 | $412,540 | $642,239 | $1,608,039 | $117,097 | $272,666 |
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