Commodity200520062008200920102011
Bituminous/oil shale & tar sands$282$1,430    
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$16,005$3,213$12,430$2,288$3,216$14,229
Total$16,287$4,643$12,430$2,288$3,216$14,229