Commodity200520062007200820092010
Saturated acyclic hydrocarbons$411 $2,527$1,183$18,692$3,754
Ethylene $872 $45,622  
Propene (propylene)$3,450  $15,779$3,693$8,565
Butene (butylene) & isomers thereof   $983  
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$24,320$39,254$29,639$66,383$53,282$61,084
Total$28,181$40,126$32,166$129,950$75,667$73,403