Commodity2005200620072008200920102011
Saturated acyclic hydrocarbons$8,532$7,741$1,019$19,386$7,150$18,159$13,666
Ethylene$4,637      
Propene (propylene)  $3,071    
Butene (butylene) & isomers thereof$1,603   $16,701  
Buta-1,3-diene & isoprene$35      
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$5,300$1,455$3,491$5,904$5,149$12,856$25,694
Total$20,107$9,196$7,581$25,290$29,000$31,015$39,360