|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Bentonite | $2,847 | $151 | $15,138 | $71,748 |
| Decolourising earths & fuller's earth | $265 | $120 | | |
| Fire-clay | $5,239 | $4,100 | $1,345 | $6,170 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $158,696 | $344,410 | $405,510 | $692,834 |
| Mullite | $78 | | | |
| Total | $167,125 | $348,781 | $421,993 | $770,752 |
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