|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bituminous/oil shale & tar sands | | | | | | $40,640 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $23,164 | $86,793 | $1,952,982 | $7,565,800 | $9,448,379 | $10,111,763 |
| Total | $23,164 | $86,793 | $1,952,982 | $7,565,800 | $9,448,379 | $10,152,403 |
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