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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $39,510 | $57,970 | $24,105 | $102,630 | $58,332 | $163,051 |
| Mineral subs., n.e.s. in Ch.25 | $50,825 | $1,318 | $4,693 | | $1,348 | |
| Total | $90,335 | $59,288 | $28,798 | $102,630 | $59,680 | $163,051 |
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