Commodity2005200620072008200920102011
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ... $12,171$24,886$360$15,413$14,581$12,521
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ...$1,115,134$3,002,457$1,583,330$810$139,918$171,884$15,648
Butadiene rubber (BR), in primary forms/in plates/sheets/strip $199,046    $224,668
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ... $96,534 $690$51,169$1 
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...     $130,711$95,782
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ...$60,982$2,298,910 $4,330 $3,965$11,911
Isoprene rubber (IR), in primary forms/in plates/sheets/strip$856$5,091,352   $3,656$422
Ethylene-propylene-non-conjugated diene rubber (EPDM), in primary forms/in ... $916,979$791,400  $26,150$26,509
Mixtures of any prod. of 40.01 with any prod. of this heading, in primary f ...$21      
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ...$515$809$31,753$23,500$130 $27,000
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$1,140,109$1,246,922$241,308$147,750$11,260$63,308$22,076
Total$2,317,617$12,865,180$2,672,677$177,440$217,890$414,256$436,537