Commodity200520062007200820092010
Polystyrene, expansible, in primary forms$30,696,098$4,849,603$4,070,025$451,201$93,076$2,668,270
Polystyrene other than expansible, in primary forms$37,555,290$32,163,509$70,145,326$152,835,924$140,347,486$207,254,659
Styrene-acrylonitrile (SAN) copolymers, in primary forms$149,041$58,020$510,627  $6,749,075
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms $10,662$4,843 $150,948 
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$496,987$1,711,464$8,638,475  $2,199,203
Total$68,897,416$38,793,258$83,369,296$153,287,125$140,591,510$218,871,207