Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
Alginic acid, its salts & esters, in primary forms | $189 | | $2,165 | | |
Natural polymers & modified nat. polymers (e.g., hardened proteins, chem. d ... | $4,633 | $6,992 | $13,172 | $4,071 | $771 |
Total | $4,822 | $6,992 | $15,337 | $4,071 | $771 |
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