Commodity2005200620072008200920102011
Saturated acyclic hydrocarbons$22,062$25,494$31,645$37,036$34,667$40,588$44,413
Ethylene$4,289$22,400 $6,714 $18,622 
Propene (propylene)$33,367      
Butene (butylene) & isomers thereof$303$760     
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$13,727$37,662$57,848$34,460$899$42,644$54,162
Total$73,748$86,316$89,493$78,210$35,566$101,854$98,575