Commodity200520062007200820092010
Polystyrene, expansible, in primary forms$20,979$23,458 $33,543 $11,559
Polystyrene other than expansible, in primary forms$942,230$1,330,240$1,544,741$683,374$189,254$238,777
Styrene-acrylonitrile (SAN) copolymers, in primary forms$106,666$32,225$11,570$103,425$27,069$71,682
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms    $80,676 
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$77,185$109,150$210,993$712,751$225,304$335,948
Total$1,147,060$1,495,073$1,767,304$1,533,093$522,303$657,966