Commodity200520062007200820092010
Saturated acyclic hydrocarbons$20,808$9,085$9,549$43,411$33,772$42,925
Ethylene $13,593 $1,772  
Propene (propylene)$463$2,153$548 $2,142$2,453
Butene (butylene) & isomers thereof$8,744$19,198$335 $2,429$1,102
Buta-1,3-diene & isoprene $14,285$533$5,620 $7,167
Unsaturated acyclic hydrocarbons (excl. of 2901.21-2901.24)$208,165$56,701$50,366$21,466$74,101$37,633
Total$238,180$115,015$61,331$72,269$112,444$91,280