|
| Commodity | 2005 | 2006 | 2007 |
| Bentonite | $33,583 | $21,328 | $12,489 |
| Decolourising earths & fuller's earth | $209 | | |
| Fire-clay | $1,123 | $6,504 | $42,012 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $7,076 | $4,700 | $2,158 |
| Andalusite, kyanite & sillimanite | $119 | | |
| Mullite | $9,041 | | |
| Chamotte/dinas earths | $317 | $306 | |
| Total | $51,468 | $32,838 | $56,659 |
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