|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Polystyrene, expansible, in primary forms | | | $38,288 | $2,400 | $646 | $373 |
| Polystyrene other than expansible, in primary forms | $220 | | | | | |
| Styrene-acrylonitrile (SAN) copolymers, in primary forms | | $110 | | | | |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | | | | | | $5,080 |
| Total | $220 | $110 | $38,288 | $2,400 | $646 | $5,453 |
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