Commodity2005200620072008200920102011
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ...$247,366$306,097$391,361$447,652$271,710$359,151$323,433
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ...$174,502$158,751$242,478$265,235$229,586$291,345$206,702
Butadiene rubber (BR), in primary forms/in plates/sheets/strip $3,559     
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ...$93$105$167   $166
Halo-isobutene-isoprene rubber (CIIR/BIIR), in primary forms/in plates/shee ...$258$33     
Chloroprene (chlorobutadiene) rubber (CR), latex, in primary forms/in plate ...    $2,509$1,247$1,096
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...$32,081$30,116$53,075$65,832$20,000$26,860$36,071
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ... $72   $48 
Isoprene rubber (IR), in primary forms/in plates/sheets/strip    $2,261$3,611$2,348
Ethylene-propylene-non-conjugated diene rubber (EPDM), in primary forms/in ... $2,690 $52,831$107,663$206,431$117,970
Mixtures of any prod. of 40.01 with any prod. of this heading, in primary f ...$1,013      
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ...$2,756$1,214$685 $4,686  
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$12,473$66,534$52,990$39,466$102,505$33,893$54,163
Total$470,542$569,171$740,756$871,016$740,920$922,586$741,949