|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Polystyrene, expansible, in primary forms | $582 | $256 | $977 | $1,206 |
| Polystyrene other than expansible, in primary forms | $349 | $5,783 | $8,520 | $356 |
| Polymers of styrene, in primary forms (excl. of 3903.11-3903.30) | $1,588 | $293 | $2,730 | $764 |
| Total | $2,519 | $6,332 | $12,227 | $2,326 |
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