Commodity20052006200720082010
Polystyrene, expansible, in primary forms$31,144$33,523$66,566$32,535$3,254
Polystyrene other than expansible, in primary forms$355,230$717,425$704,512$866,361$924,948
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$46,064$138,822$218,500$306,031$1,023,875
Total$432,438$889,770$989,578$1,204,927$1,952,077