Commodity2005200620072008
Ethylene $1,645 $59
Propene (propylene)$3,298$3,124$4,534$4,671
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$23,294$27,548$29,861$31,826
Total$26,592$32,317$34,395$36,556