Commodity2005200620072008200920102011
Ethylene $1,358     
Propene (propylene)$140,465$189,562 $2,447,175$5,174,181$9,664,652$14,025,613
Butene (butylene) & isomers thereof  $4,565,387$8,953,790$3,832,625$5,246,965$14,691,341
Buta-1,3-diene & isoprene$5,411,762$5,130,330$588,256  $31,388 
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$699,484$232,996$2,385    
Total$6,251,711$5,554,246$5,156,028$11,400,965$9,006,806$14,943,005$28,716,954