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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $18,537 | $79,386 | $264,444 | $293,701 | $212,598 | $231,658 | $219,688 |
| Decolourising earths & fuller's earth | $62,594 | $39,431 | $67,156 | | | | |
| Fire-clay | | | | $933 | | | $246,739 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $1,160 | $6,409 | $1,675 | $61,395 | $63,050 | $117,287 | $590,980 |
| Chamotte/dinas earths | $9,192 | $7,948 | | $12,698 | $3,459 | $16,846 | $13,668 |
| Total | $91,483 | $133,174 | $333,275 | $368,727 | $279,107 | $365,791 | $1,071,075 |
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