Commodity2005200620072008200920102011
Natural gas, liquefied      $12
Propane, liquefied   $15   
Butanes, liquefied  $6,500    
Petroleum gases other than nat. gas/propane/butanes/ethylene, propylene, bu ...$413$932 $550$943$564 
Petroleum gases & gaseous hydrocarbons, other than nat. gas, in gaseous sta ...$45 $916$1,687$1,058 $800
Total$458$932$7,416$2,252$2,001$564$812