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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 | $1,437,942 | $1,781,903 | $2,574,563 | $1,812,833 | $1,610,583 | $1,337,019 | $1,496,235 |
| Total | $1,437,942 | $1,781,903 | $2,574,563 | $1,812,833 | $1,610,583 | $1,337,019 | $1,496,235 |
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