Commodity200520062007200820092010
Polystyrene, expansible, in primary forms$248 $43$653 $175
Polystyrene other than expansible, in primary forms$2,434$97 $2,894$38 
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$576     
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) $66  $11,564 
Total$3,258$163$43$3,547$11,602$175