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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $987 | $21,971 | $8,101 | $4,746 | $17,085 | $45 | $23,661 |
| Decolourising earths & fuller's earth | $10,723 | $9,526 | $20,019 | | | | $20,535 |
| Fire-clay | $8,027 | $81 | $1,010 | $333 | | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $31,349 | $31,492 | $57,136 | $47,273 | $62,310 | $29,536 | $58,231 |
| Total | $51,086 | $63,070 | $86,266 | $52,352 | $79,395 | $29,581 | $102,427 |
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