|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bentonite | $10,222 | $873 | | $26,579 | $1,776 | $23,771 |
| Fire-clay | $89 | $421 | | | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $395,410 | $1,019 | $19,408 | $8,837 | $2,551 | $15,136 |
| Chamotte/dinas earths | | $197 | | | | |
| Total | $405,721 | $2,510 | $19,408 | $35,416 | $4,327 | $38,907 |
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