Commodity2005200620072008200920102011
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ...$13,000  $15,900 $3,800$5,300
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ... $241,200$137,700$19,300  $2,897,600
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ...     $900 
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...$700     $10,800
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ...      $53,600
Isoprene rubber (IR), in primary forms/in plates/sheets/strip      $870,100
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ...     $2,600 
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$9,400$2,700$3,300 $4,900$44,900$112,200
Total$23,100$243,900$141,000$35,200$4,900$52,200$3,949,600