Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$2,038,990$3,076,828$6,520,721$5,169,641$3,120,706$4,591,111$5,741,148
Polystyrene other than expansible, in primary forms$356,661$721,329$869,046$873,245$627,141$799,345$771,531
Styrene-acrylonitrile (SAN) copolymers, in primary forms$4,373$53,070$35,137$139,421$22,305  
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$15,930  $8,482$10,010$18,865$3,252
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$115,275$114,916$83,134$164,369$630,503$625,361$324,118
Total$2,531,229$3,966,143$7,508,038$6,355,158$4,410,665$6,034,682$6,840,049