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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Kaolin & oth. kaolinic clays, whether or not calcined | $70,522,330 | $74,223,297 | $81,691,280 | $80,072,380 | $69,076,733 | $69,600,419 | $71,026,776 |
| Total | $70,522,330 | $74,223,297 | $81,691,280 | $80,072,380 | $69,076,733 | $69,600,419 | $71,026,776 |
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