Commodity200520072008
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ...$21,591$200,320$309,081
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ...$267,363$520,039$1,118,598
Butadiene rubber (BR), in primary forms/in plates/sheets/strip$18,871$128,755$281,813
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ...$204,525$4,705$143,028
Halo-isobutene-isoprene rubber (CIIR/BIIR), in primary forms/in plates/shee ... $768$10,954
Chloroprene (chlorobutadiene) rubber (CR), latex, in primary forms/in plate ... $30,995$8,455
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...$8,299$245,615$12,041
Acrylonitrile-butadiene rubber (NBR), latex, in primary forms/in plates/she ...  $455
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ...$119,863$601,120$266,066
Isoprene rubber (IR), in primary forms/in plates/sheets/strip$6,982 $40,224
Ethylene-propylene-non-conjugated diene rubber (EPDM), in primary forms/in ...$363,756$1,028,319$934,193
Mixtures of any prod. of 40.01 with any prod. of this heading, in primary f ... $970 
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ...$18,163$437,703$844,801
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$443,224$313,456$2,328,619
Total$1,472,637$3,512,765$6,298,328