Commodity20052006200920102011
Polystyrene, expansible, in primary forms$75$35   
Polystyrene other than expansible, in primary forms$189 $923$21,388$1,545
Styrene-acrylonitrile (SAN) copolymers, in primary forms$241    
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) $38   
Total$505$73$923$21,388$1,545