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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Alginic acid, its salts & esters, in primary forms | $3,246 | $13,846 | $9,143 | $35,776 | $31,083 | $20,673 |
| Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $102,510 | $280,733 | $168,567 | $280,001 | $307,743 | $295,283 |
| Total | $105,756 | $294,579 | $177,710 | $315,777 | $338,826 | $315,956 |
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