Commodity20052006200720082009
Polystyrene, expansible, in primary forms$336,509$94,365$26,062$190,449$79,851
Polystyrene other than expansible, in primary forms$484,403$206,075$20,886$2,719$147,905
Styrene-acrylonitrile (SAN) copolymers, in primary forms$893,904  $27,449 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$155,010$71,907 $6,630$91,408
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$1,537,957$3,378,308$353,913$334,361$4,317,692
Total$3,407,783$3,750,655$400,861$561,608$4,636,856