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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 | $2,099,537 | $6,721,947 | $2,557,970 | $3,693,142 | $2,067,480 | $3,092,943 | $3,718,218 |
| Total | $2,099,537 | $6,721,947 | $2,557,970 | $3,693,142 | $2,067,480 | $3,092,943 | $3,718,218 |
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