|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bentonite | $232,000 | $225,000 | $234,000 | $480,000 | $160,000 | $227,000 | $513,000 |
| Decolourising earths & fuller's earth | $3,000 | | | | | | |
| Fire-clay | $125,000 | $150,000 | $173,000 | $228,000 | $231,000 | $238,000 | $419,000 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $324,000 | $165,000 | $349,000 | $341,000 | $595,000 | $224,000 | $393,000 |
| Andalusite, kyanite & sillimanite | $10,000 | | | | | $9,000 | |
| Mullite | $6,978,000 | $6,911,000 | | | | $9,271,000 | $11,871,000 |
| Chamotte/dinas earths | $19,000 | $9,000 | $24,000 | $10,000 | | $10,000 | $9,000 |
| Total | $7,691,000 | $7,460,000 | $780,000 | $1,059,000 | $986,000 | $9,979,000 | $13,205,000 |
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