Commodity2005200620072008200920102011
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ...   $204  $306
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ... $4,709$6,480  $30,643$79,249
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ...$920$114,005     
Halo-isobutene-isoprene rubber (CIIR/BIIR), in primary forms/in plates/shee ...  $30,580  $1 
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...    $23,748$2,160$41,659
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ... $1,600     
Mixtures of any prod. of 40.01 with any prod. of this heading, in primary f ... $570     
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...  $11,338$132,335$915$13,335$15,890
Total$920$120,884$48,398$132,539$24,663$46,139$137,104