Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$31,354$173,421$603,262$649,046$579,143$1,085,069$1,850,063
Polystyrene other than expansible, in primary forms$652,593$688,085$442,987$498,729$274,126$481,272$794,134
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms      $43,391
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$38,455$68,402$792,352$966,954$500,646$985,053$827,295
Total$722,402$929,908$1,838,601$2,114,729$1,353,915$2,551,394$3,514,883