Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$30,323$15,756$49,263$155,271$619,310$408,067$3,042,479
Polystyrene other than expansible, in primary forms$563,652$1,695,643$2,721,289$2,952,592$328,448$342,104$139,410
Styrene-acrylonitrile (SAN) copolymers, in primary forms$1,741   $1,274 $20,794
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$108,148$26,317$929,711$891,887$14,405$11,385$227,651
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$303,372$605,886$368,354$550,050$209,140$222,099$486,889
Total$1,007,236$2,343,602$4,068,617$4,549,800$1,172,577$983,655$3,917,223