Commodity200520062007200820092010
Bituminous/oil shale & tar sands$73,376$36,434$46,676$14,736$6,976$6,632
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$160,433$644,503$598,552$1,815,451$512,069$291,789
Total$233,809$680,937$645,228$1,830,187$519,045$298,421