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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Alginic acid, its salts & esters, in primary forms | | $256,137 | $21,955 | $18,120 | $4,686 | $858 |
| Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $21,267 | $29,880 | $1,486 | $11,486 | $3,599 | $1,411 |
| Total | $21,267 | $286,017 | $23,441 | $29,606 | $8,285 | $2,269 |
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