Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$2,280$2,954$1,442$6,252$48  
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$8,538$3,770,194$3,341$16,368$20,306$30,320$24,288
Total$10,818$3,773,148$4,783$22,620$20,354$30,320$24,288