Commodity2005200620072008200920102011
Saturated acyclic hydrocarbons$18,390$12,710$24,019$32,666$25,973$25,464$21,821
Ethylene$10,515$11,815$12,648$18,339$14,571$33,942$17,643
Propene (propylene)$213,793$401,240  $1,671  
Butene (butylene) & isomers thereof $1,051$1,260$2,642$2,960$5,516 
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$146,581$165,499$194,685$153,827$104,931$77,073$84,769
Total$389,279$592,315$232,612$207,474$150,106$141,995$124,233