Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$34,860$21,965$29,290$159,900$142,233$559,012$1,033,501
Polystyrene other than expansible, in primary forms$355,599$630,572$984,106$1,537,033$1,626,695$1,704,950$1,498,498
Styrene-acrylonitrile (SAN) copolymers, in primary forms$32,445$1,581  $65,005$5,100 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$5,754$32,622$62,800$211,627$251,137$98,829$42,272
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$56,458$33,595$110,317$63,991$297,962$188,249$446,391
Total$485,116$720,335$1,186,513$1,972,551$2,383,032$2,556,140$3,020,662