|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
| Polystyrene, expansible, in primary forms | $7,802 | $26,059 | $3,292 | | |
| Polystyrene other than expansible, in primary forms | $8,707 | $135,019 | $334,959 | $218,681 | $224,816 |
| Styrene-acrylonitrile (SAN) copolymers, in primary forms | | | $30,097 | $27,088 | |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | $4,658 | | $18,793 | $66,605 | $126,299 |
| Total | $21,167 | $161,078 | $387,141 | $312,374 | $351,115 |
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