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| Commodity | 2007 | 2008 | 2009 | 2010 |
| Styrene-butadiene rubber (SBR), latex; carboxylated styrene-butadiene rubbe ... | | $318,654 | | |
| Styrene-butadiene rubber (SBR), other than latex; carboxylated styrene-buta ... | | | $769,961 | $32,478 |
| Butadiene rubber (BR), in primary forms/in plates/sheets/strip | $2,440,805 | $430,536 | | $239,491 |
| Isobutene-isoprene (butyl) rubber (IIR), in primary forms/in plates/sheets/ ... | $567,931 | $687,627 | | |
| Total | $3,008,736 | $1,436,817 | $769,961 | $271,969 |
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