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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Ion-exchangers based on polymers of 39.01-39.13, in primary forms | $100,726,654 | $94,988,546 | $104,755,842 | $112,345,422 | $113,902,262 | $139,424,730 | $163,766,996 |
| Total | $100,726,654 | $94,988,546 | $104,755,842 | $112,345,422 | $113,902,262 | $139,424,730 | $163,766,996 |
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