|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | | | | | | $924 | |
| Decolourising earths & fuller's earth | $443,432 | $7,657 | | | | | |
| Fire-clay | | | | | | $194 | $3,847 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $2,780 | $431,045 | $478,938 | $147,380 | $126,377 | $215,812 | $305,065 |
| Chamotte/dinas earths | | $654 | $806 | | | | |
| Total | $446,212 | $439,356 | $479,744 | $147,380 | $126,377 | $216,930 | $308,912 |
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