Commodity2005200620072008200920102011
Saturated acyclic hydrocarbons$22,364$9,548$928$2,268$4,384$6,824$662
Propene (propylene)      $1,248
Butene (butylene) & isomers thereof$104  $474 $238 
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$1,248$1,624$165$1,650 $61$30
Total$23,716$11,172$1,093$4,392$4,384$7,123$1,940