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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | $2,014,333 | $720,812 | $1,898,108 | $2,389,364 | $664,932 | $2,474,833 | $1,416,276 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $29,276,251 | $37,439,316 | $70,374,790 | $38,365,234 | $63,813,286 | $62,485,368 | $69,285,396 |
| Total | $31,290,584 | $38,160,128 | $72,272,898 | $40,754,598 | $64,478,218 | $64,960,201 | $70,701,672 |
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