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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $4,174,368 | $9,530,871 | $11,266,690 | $5,870,371 | $6,064,291 | $6,106,090 | $7,519,788 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | | | $117 | | | | |
| Total | $4,174,368 | $9,530,871 | $11,266,807 | $5,870,371 | $6,064,291 | $6,106,090 | $7,519,788 |
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