Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$710,477$589,413$1,090,440$508,009$528,772$653,952$547,227
Polystyrene other than expansible, in primary forms$504,300$362,338$363,245$474,502$292,376$145,602$48,330
Styrene-acrylonitrile (SAN) copolymers, in primary forms$1,034$21,563 $1,249$112,050$1,616 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms $76,789     
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$243,938$211,363$836,991$1,221,639$919,062$290,032$1,043,995
Total$1,459,749$1,261,466$2,290,676$2,205,399$1,852,260$1,091,202$1,639,552