Commodity2007200820102011
Polystyrene, expansible, in primary forms$90,234$7,072  
Polystyrene other than expansible, in primary forms   $6,043
Styrene-acrylonitrile (SAN) copolymers, in primary forms   $3
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$42,104$53,761$8,601$24,362
Total$132,338$60,833$8,601$30,408