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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Polystyrene, expansible, in primary forms | $300 | $1,500 | $900 | $4,100 | | $43,900 | $351,700 |
| Polystyrene other than expansible, in primary forms | $313,400 | $594,900 | $1,068,100 | $264,900 | $175,100 | $462,900 | $769,800 |
| Styrene-acrylonitrile (SAN) copolymers, in primary forms | | | | | | | $5,800 |
| Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms | $108,800 | $180,300 | $143,100 | $147,800 | $31,600 | $399,300 | $587,900 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | | $100 | $1,000 | $5,000 | | $13,600 | $238,000 |
| Total | $422,500 | $776,800 | $1,213,100 | $421,800 | $206,700 | $919,700 | $1,953,200 |
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