Commodity20062007200820092010
Polystyrene, expansible, in primary forms $618$10,116$30,295 
Polystyrene other than expansible, in primary forms$9,792 $5,753$846$693
Styrene-acrylonitrile (SAN) copolymers, in primary forms$6,266    
Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms    $6,738
Polymers of styrene, in primary forms (excl. of 3903.11-3903.30)  $4,182  
Total$16,058$618$20,051$31,141$7,431