Commodity20052006200820092011
Natural gas, liquefied$1,625$9,185   
Propane, liquefied $11,820   
Butanes, liquefied$135,389$16,532$3,144$261,558 
Natural gas, in gaseous state   $19,479 
Petroleum gases & gaseous hydrocarbons, other than nat. gas, in gaseous sta ...$135   $15,020
Total$137,149$37,537$3,144$281,037$15,020