Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Bituminous/oil shale & tar sands | | | $3,351 | $12,156 | | $101,251 | |
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $95,786 | $120,760 | $453,674 | $655,592 | $2,000 | $1,355,908 | $988,297 |
Total | $95,786 | $120,760 | $457,025 | $667,748 | $2,000 | $1,457,159 | $988,297 |
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