|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | | $25,012 | $586 | $19,915 | $42,646 | $189,034 | $176,912 |
| Fire-clay | $186 | $188 | $39 | $3,688 | $74 | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $34,653 | $24,786 | $17,512 | $35,870 | $430 | $78,162 | $110,092 |
| Chamotte/dinas earths | | | | $920 | $7,713 | $622 | $30 |
| Total | $34,839 | $49,986 | $18,137 | $60,393 | $50,863 | $267,818 | $287,034 |
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