Commodity200520062007200820092010
Polystyrene, expansible, in primary forms $2,860$6,911$2,573  
Polystyrene other than expansible, in primary forms$97,720$109,262$3,754$353$153 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms $2,707$2,586$21,035  
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$5,021,418$8,022,642$19,138,370$19,139,351$3,987,271$10,615,180
Total$5,119,138$8,137,471$19,151,621$19,163,312$3,987,424$10,615,180