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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Alginic acid, its salts & esters, in primary forms | $27,426 | $4,619 | | $9,600 | $644 | $18,617 |
| Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $51,967 | $119,821 | $89,641 | $44,043 | $24,276 | $49,903 |
| Total | $79,393 | $124,440 | $89,641 | $53,643 | $24,920 | $68,520 |
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