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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bentonite | $21,828 | $49,728 | $63,982 | $36,688 | $78,035 | $51,527 |
| Decolourising earths & fuller's earth | $5,044 | $1,920 | $1,321 | | | |
| Fire-clay | | $2,266 | $691 | | $256 | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $25,742 | $7,001 | $13,748 | $150,753 | $47,598 | $44,001 |
| Chamotte/dinas earths | $565 | | | | | $2,008 |
| Total | $53,179 | $60,915 | $79,742 | $187,441 | $125,889 | $97,536 |
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