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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Alginic acid, its salts & esters, in primary forms | $2,274 | $21,691 | | | | |
| Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $4,050 | $25,848 | $13,137 | $62,321 | $33,431 | $140,885 |
| Total | $6,324 | $47,539 | $13,137 | $62,321 | $33,431 | $140,885 |
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