|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bentonite | $2,696 | $527 | $272,281 | $443,463 | $215,716 | $664,024 |
| Fire-clay | | | | $22,169 | | |
| Clays other than expanded clays of 68.06 (excl. of 2507.00 & 2508.10-2508.3 ... | $1,904 | $206 | $92,520 | $119,773 | $22,625 | $9,624 |
| Total | $4,600 | $733 | $364,801 | $585,405 | $238,341 | $673,648 |
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