Commodity2005200620072008200920102011
Bituminous/oil shale & tar sands$427,019$387,643$432,069$660,100$251,141$573,788$1,161,340
Bitumen & asphalt, nat.; asphaltites & asphaltic rocks$21,575$9,448$65,942$152,446$79,615$669,039$351,039
Total$448,594$397,091$498,011$812,546$330,756$1,242,827$1,512,379