Commodity200520062007200820092011
Natural gas, liquefied     $32
Butanes, liquefied$63$44$25$60  
Petroleum gases other than nat. gas/propane/butanes/ethylene, propylene, bu ...$226     
Natural gas, in gaseous state    $22 
Petroleum gases & gaseous hydrocarbons, other than nat. gas, in gaseous sta ... $29$298 $51 
Total$289$73$323$60$73$32