|
| Commodity | 2005 | 2006 | 2007 |
| Bentonite | $159,305 | $65,810 | $264,833 |
| Decolourising earths & fuller's earth | | $78,975 | |
| Fire-clay | $13,435 | $23,488 | $26,857 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $287,719 | $733,355 | $430,467 |
| Andalusite, kyanite & sillimanite | | | $104 |
| Mullite | | | $304 |
| Chamotte/dinas earths | $900 | | $177 |
| Total | $461,359 | $901,628 | $722,742 |
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