Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$1,176$5,642$1,339$64,530  $2,612
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$91,328$880,833$711,018$1,881,128$2,207,788$1,662,534$1,320,127
Total$92,504$886,475$712,357$1,945,658$2,207,788$1,662,534$1,322,739