Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$7  $941$22  
Polystyrene other than expansible, in primary forms$16,326$44,748$83,716$14,608$16,848  
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$16,252$13,143$120,725$21,072$2,212$42,785$61,732
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$36,467$31,612$126,396$37,686$13,654 $36,724
Total$69,052$89,503$330,837$74,307$32,736$42,785$98,456