Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$815,800$633,539$939,989$1,048,206$684,718$982,974$1,111,761
Polystyrene other than expansible, in primary forms$1,347,462$848,865$1,582,750$1,109,134$854,218$924,415$1,300,060
Styrene-acrylonitrile (SAN) copolymers, in primary forms$99,591$42,184$55,451$97,074$17,631$28,733 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$82,803$97,274$133,844$46,418$162,753$183,972$211,484
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$423,886$602,785$810,135$630,187$1,070,856$1,328,036$1,423,367
Total$2,769,542$2,224,647$3,522,169$2,931,019$2,790,176$3,448,130$4,046,672