Commodity2005200620072008200920102011
Polystyrene, expansible, in primary forms$601,830$443,763$254,703$281,943$304,967$346,692$129,973
Polystyrene other than expansible, in primary forms      $297,907
Styrene-acrylonitrile (SAN) copolymers, in primary forms$127,078$268,768$10,275$61,482   
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms$783,020$1,381,337$709,290$533,881$665,531$1,129,663$687,677
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)$1,034,771$823,890$2,603,467$2,362,193$3,070,253$6,704,363$1,589,311
Total$2,546,699$2,917,758$3,577,735$3,239,499$4,040,751$8,180,718$2,704,868