Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Bituminous/oil shale & tar sands | | | $70 | | | | |
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $56,380 | $130,116 | $1,567,269 | $1,756,624 | $269,011 | $7,866 | $78,224 |
Total | $56,380 | $130,116 | $1,567,339 | $1,756,624 | $269,011 | $7,866 | $78,224 |
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