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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 | $33,285,446 | $43,442,278 | $69,531,521 | $89,578,140 | $71,239,530 | $59,044,390 | $88,624,796 |
| Total | $33,285,446 | $43,442,278 | $69,531,521 | $89,578,140 | $71,239,530 | $59,044,390 | $88,624,796 |
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