Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$2,767 $272$64,853 $256 
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$261,841$177,784$37,565$235,194$170,751$91,699$113,045
Total$264,608$177,784$37,837$300,047$170,751$91,955$113,045