|
| Commodity | 2005 | 2007 | 2008 |
| Bentonite | $3,169,943 | $8,577,856 | $7,567,963 |
| Decolourising earths & fuller's earth | $559,809 | $677,836 | |
| Fire-clay | $1,241,991 | $487,847 | $649,992 |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $19,167,220 | $11,630,995 | $6,206,454 |
| Andalusite, kyanite & sillimanite | $251 | $222 | $18,360 |
| Mullite | $47,305 | $6,515 | |
| Chamotte/dinas earths | $262,400 | $174,093 | $105,090 |
| Total | $24,448,919 | $21,555,364 | $14,547,859 |
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