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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Kaolin & oth. kaolinic clays, whether or not calcined | $4,607,668 | $5,067,112 | $4,792,503 | $6,146,151 | $6,120,516 | $8,917,785 | $9,857,467 |
| Total | $4,607,668 | $5,067,112 | $4,792,503 | $6,146,151 | $6,120,516 | $8,917,785 | $9,857,467 |
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