|
| Commodity | 2005 | 2006 | 2009 |
| Polystyrene, expansible, in primary forms | $1,925 | | |
| Polystyrene other than expansible, in primary forms | $14,660 | $78 | $18,318 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | | $7,705 | $344,939 |
| Total | $16,585 | $7,783 | $363,257 |
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