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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Polystyrene, expansible, in primary forms | $1,576,903 | $1,316,718 | $599,444 | $544,241 | $443,258 | $129,552 | $499,565 |
| Polystyrene other than expansible, in primary forms | $852,417 | $665,804 | $1,176,737 | $1,304,757 | $492,186 | $764,745 | $717,943 |
| Styrene-acrylonitrile (SAN) copolymers, in primary forms | $3,097 | $20,483 | $87,474 | $140,173 | $182,481 | $454,117 | $64,358 |
| Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms | $29,198 | $27,410 | $2,323 | $10,381 | | $442 | $52,241 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | $260,026 | $246,645 | $167,363 | $360,210 | $48,248 | $31,607 | $353,728 |
| Total | $2,721,641 | $2,277,060 | $2,033,341 | $2,359,762 | $1,166,173 | $1,380,463 | $1,687,835 |
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