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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 | $8,587,840 | $8,809,521 | $9,420,858 | $12,277,006 | $12,068,247 | $14,290,814 | $16,542,726 |
| Total | $8,587,840 | $8,809,521 | $9,420,858 | $12,277,006 | $12,068,247 | $14,290,814 | $16,542,726 |
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