|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Bentonite | $575,794 | $678,585 | $616,199 | $572,063 | $639,263 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $394 | | $32 | | $2 |
| Chamotte/dinas earths | | $57 | $72 | $23 | |
| Total | $576,188 | $678,642 | $616,303 | $572,086 | $639,265 |
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