Commodity200520062007200820092011
Polystyrene, expansible, in primary forms$3,330,953$3,959,882$5,390,422$5,364,933$3,822,536$6,712,042
Polystyrene other than expansible, in primary forms$482,140$224,605$359,984$410,599$265,511$443,668
Styrene-acrylonitrile (SAN) copolymers, in primary forms$1,654$1,815$5,025$315$634$155
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$323,554$529,271$436,002$492,005$306,234$462,039
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$211,514$356,273$351,380$429,073$766,951$902,677
Total$4,349,815$5,071,846$6,542,813$6,696,925$5,161,866$8,520,581