Commodity2005200620072008
Polystyrene, expansible, in primary forms$37$199  
Polystyrene other than expansible, in primary forms $352$10,332$7,136
Styrene-acrylonitrile (SAN) copolymers, in primary forms$558   
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms  $4,093 
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) $39$116$686,706
Total$595$590$14,541$693,842