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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Kaolin & oth. kaolinic clays, whether or not calcined | $3,305,333 | $4,150,603 | $5,244,644 | $6,364,136 | $5,635,680 | $7,600,169 | $7,312,914 |
| Total | $3,305,333 | $4,150,603 | $5,244,644 | $6,364,136 | $5,635,680 | $7,600,169 | $7,312,914 |
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