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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $183,412 | $192,615 | $185,887 | $176,000 | $239,589 | $298,322 | $315,643 |
| Decolourising earths & fuller's earth | $8,125 | $6,433 | | | | | |
| Fire-clay | | $971 | $6 | $462 | | | $1,817 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $940,153 | $102,671 | $129,624 | $182,309 | $119,584 | $272,085 | $79,114 |
| Mullite | $634 | | | | | | |
| Chamotte/dinas earths | $28 | | $11 | $146 | $180 | $71 | $5,855 |
| Total | $1,132,352 | $302,690 | $315,528 | $358,917 | $359,353 | $570,478 | $402,429 |
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