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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $8,534 | $6,261 | $9,491 | $118,699 | $4,812 | $7,525 |
| Mineral subs., n.e.s. in Ch.25 | $26,344 | $100,323 | $203,597 | $127,866 | $178,500 | $66,598 |
| Total | $34,878 | $106,584 | $213,088 | $246,565 | $183,312 | $74,123 |
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