Commodity200520062007200820092010
Polystyrene, expansible, in primary forms $31,968    
Polystyrene other than expansible, in primary forms $21,811$120,144 $122,202 
Styrene-acrylonitrile (SAN) copolymers, in primary forms $28,631$10,044   
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$136,567$171,752$46,611$21,465$101,562$172,413
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$946,391$368,897$693,367$1,862,563$1,458,239$4,172,104
Total$1,082,958$623,059$870,166$1,884,028$1,682,003$4,344,517