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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $20,746 | $6,564 | $9,813 | $42,013 | $16,466 | $187,451 | $464,868 |
| Decolourising earths & fuller's earth | $627,745 | $498,055 | $80,518 | | | | |
| Fire-clay | $11,200 | $51,705 | $52,374 | $78,566 | $34,246 | $42,927 | $23,504 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $202,377 | $125,196 | $251,470 | $524,746 | $418,731 | $1,046,922 | $502,409 |
| Mullite | | | | $3,392 | | | |
| Chamotte/dinas earths | | | $76,546 | $474,486 | $762,896 | $328,344 | $20,413 |
| Total | $862,068 | $681,520 | $470,721 | $1,123,203 | $1,232,339 | $1,605,644 | $1,011,194 |
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