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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $67,298 | $126,920 | $86,524 | $46,659 | $495,561 | $1,496 | $26,926 |
| Decolourising earths & fuller's earth | $12,628 | $30,230 | | | | | |
| Fire-clay | | | | | $1,385 | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $190,109 | $223,635 | $630,266 | $529,639 | $162,566 | $180,274 | $164,766 |
| Andalusite, kyanite & sillimanite | $2,495 | $2,460 | $2,913 | $6,049 | $4,189 | $4,409 | $4,443 |
| Chamotte/dinas earths | $544 | $1,146 | $4,678 | $12,487 | $622 | | $299 |
| Total | $273,074 | $384,391 | $724,381 | $594,834 | $664,323 | $186,179 | $196,434 |
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