Commodity2005200620072008200920102011
Saturated acyclic hydrocarbons $106  $884  
Butene (butylene) & isomers thereof $55,685     
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$4,019 $30,077$51,001$24,621$28,329$23,171
Total$4,019$55,791$30,077$51,001$25,505$28,329$23,171