Commodity200520062007200820092010
Polystyrene, expansible, in primary forms$21,548$15,250 $299$8,135$6,521
Polystyrene other than expansible, in primary forms$3,732$9,126$1,790$240$6,091$12,200
Styrene-acrylonitrile (SAN) copolymers, in primary forms$21,113$88,459$146,127$146,852$578,449$916,421
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$138,196$42,725$14,442$15,488$21,420$34,964
Total$184,589$155,560$162,359$162,879$614,095$970,106