Commodity200520062007200820092010
Bituminous/oil shale & tar sands  $14,509 $1,253 
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$43,714$98,318$327,281$453,295$123,135$167
Total$43,714$98,318$341,790$453,295$124,388$167