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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Kaolin & oth. kaolinic clays, whether or not calcined | $602,441,511 | $626,349,677 | $615,459,283 | $606,117,096 | $459,036,268 | $537,680,924 | $555,675,106 |
| Total | $602,441,511 | $626,349,677 | $615,459,283 | $606,117,096 | $459,036,268 | $537,680,924 | $555,675,106 |
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