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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $172,043 | $398,113 | $459,247 | $757,326 | $324,421 | $334,260 | $95,042 |
| Decolourising earths & fuller's earth | $20,204 | $20,005 | | | | | |
| Fire-clay | $4,419 | | | | | $5,204 | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $108,949 | $47,180 | $59,954 | $59,074 | $195,076 | $84,859 | $70,690 |
| Andalusite, kyanite & sillimanite | $8,209 | | | | | | |
| Mullite | | $28 | | | | | |
| Chamotte/dinas earths | $9,091 | $998 | $53,016 | $179 | | $336 | |
| Total | $322,915 | $466,324 | $572,217 | $816,579 | $519,497 | $424,659 | $165,732 |
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