Commodity200520062007200820092010
Polystyrene, expansible, in primary forms $58,640$72,046$32,067$9,602$125,660
Polystyrene other than expansible, in primary forms$76,299$1,691,001$2,038,169$1,048,723$1,389,089$1,847,424
Styrene-acrylonitrile (SAN) copolymers, in primary forms $4,318   $3,089
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms $20,008$12,988$2,230$18,439$4,848
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$80,383$140,649$184,641$190,595$112,822$264,461
Total$156,682$1,914,616$2,307,844$1,273,615$1,529,952$2,245,482