Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Bituminous/oil shale & tar sands | $6,699 | $24,580 | $181,100 | $90,077 | | $15,450 | $21,278 |
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $32,020 | $128,061 | $227,970 | $179,538 | $152,343 | $1,083,278 | $588,396 |
Total | $38,719 | $152,641 | $409,070 | $269,615 | $152,343 | $1,098,728 | $609,674 |
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