Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands   $5,827   
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$9,902$9,867$1,492$54,896$23,385$5,762$60,418
Total$9,902$9,867$1,492$60,723$23,385$5,762$60,418