Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands $4,065$2,596$2,797   
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$152,150$359,176$483,960$617,265$380,427$386,579$610,821
Total$152,150$363,241$486,556$620,062$380,427$386,579$610,821