Commodity200620072008
Saturated acyclic hydrocarbons$65,696$450,706$66,429
Ethylene$379,595$283,945$20,939
Propene (propylene)$495,524$161,534 
Butene (butylene) & isomers thereof$20,224 $60,010
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$1,096,212$3,614,803$286
Total$2,057,251$4,510,988$147,664