Commodity200520062007200820092010
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ... $338   $145
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ...$51,976$5,962$3,784$9,874$8,491$140,333
Butadiene rubber (BR), in primary forms/in plates/sheets/strip  $869$992  
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ... $1,456  $31,353$22,031
Halo-isobutene-isoprene rubber (CIIR/BIIR), in primary forms/in plates/shee ... $6,361$5,600 $18,374 
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ... $412  $4,128 
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ...  $856  $6,297
Isoprene rubber (IR), in primary forms/in plates/sheets/strip $10,871$10,974$54,951$32,448 
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ...$2,850$1,109 $88,736  
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$2,716 $790$3,612$36$5,940
Total$57,542$26,509$22,873$158,165$94,830$174,746