|
| Commodity | 2007 | 2009 | 2010 |
| Polystyrene, expansible, in primary forms | | $2,260 | |
| Polystyrene other than expansible, in primary forms | $12,371 | $2,368 | |
| Acrylonitrile-butadiene-styrene (ABS) copolymers, in primary forms | | | $9,808 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | | $1,188 | |
| Total | $12,371 | $5,816 | $9,808 |
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