Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$1,418$8,509 $36,722$881$180$17
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$55,537,378$9,808,978$386,626$870,149$781,124$891,830$1,261,105
Total$55,538,796$9,817,487$386,626$906,871$782,005$892,010$1,261,122