Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms $8,695$280 $479,080$402,368$290,733
Polystyrene other than expansible, in primary forms$1,006  $67,554$1,431$1,610 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms    $5,509$21,310$89,492
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$262,010$349,168$178,934$69,924$87,279$110,730$223,325
Total$263,016$357,863$179,214$137,478$573,299$536,018$603,550