Commodity20052006200720082009
Polystyrene, expansible, in primary forms$76,221$96,051  $341,505
Polystyrene other than expansible, in primary forms$26,071$313,975$659,548$404,929$555,848
Styrene-acrylonitrile (SAN) copolymers, in primary forms   $72,213 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms $31,204   
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) $36,696$98,777$132,494$29,145
Total$102,292$477,926$758,325$609,636$926,498