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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Alginic acid, its salts & esters, in primary forms | $2,080 | $3,619 | $2,114 | $4,836 | $4,149 | $1,567 | $4,530 |
| Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $3,641 | $248 | $193 | $2,204 | $386 | $869 | $5,855 |
| Total | $5,721 | $3,867 | $2,307 | $7,040 | $4,535 | $2,436 | $10,385 |
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