Commodity2005200620072008200920102011
Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ...$18,280$25,611$13,305$45,797$32,750$44,160$63,985
Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ...$253,232$267,974$320,733$248,692$913,946$1,062,110$1,279,450
Butadiene rubber (BR), in primary forms/in plates/sheets/strip$767$13,368$51,183$30,689$24,148$39,170 
Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ... $7,666 $291   
Chloroprene (chlorobutadiene) rubber (CR), other than latex, in primary for ...   $5,015$16,564$13,866$4,164
Acrylonitrile-butadiene rubber (NBR), latex, in primary forms/in plates/she ...$26,883    $20,686 
Acrylonitrile-butadiene rubber (NBR), other than latex, in primary forms/in ...$2,291  $3,004 $27,597$29,726
Ethylene-propylene-non-conjugated diene rubber (EPDM), in primary forms/in ...$19,656$55$769$2,076$17,620$6,694$13,834
Mixtures of any prod. of 40.01 with any prod. of this heading, in primary f ... $1,046$4,335$49,576$1,758 $14,554
Synthetic rubber & factice derived from oils, latex (excl. of 4002.11, 4002 ... $193$8,024$16,049$1,831$1,200 
Synthetic rubber & factice derived from oils, other than latex (excl. of 40 ...$8,126$157,180$69,378$40,218$40,044$116,046$104,152
Total$329,235$473,093$467,727$441,407$1,048,661$1,331,529$1,509,865