Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$437$666$136  $32 
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$5,191,733$7,404,076$10,502,383$13,947,287$6,724,347$9,245,512$11,854,270
Total$5,192,170$7,404,742$10,502,519$13,947,287$6,724,347$9,245,544$11,854,270