|
| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Polystyrene, expansible, in primary forms | | | $4,293 | | $178 | |
| Polystyrene other than expansible, in primary forms | | $1 | $20 | $541 | $27,357 | $1,359 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | $6 | | | $1,167 | | |
| Total | $6 | $1 | $4,313 | $1,708 | $27,535 | $1,359 |
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