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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $860,215 | $1,239,229 | $1,004,218 | $1,282,032 | $931,766 | $1,043,755 | $1,084,626 |
| Kieserite, epsomite (nat. magnesium sulphates) | $42,550 | $16,986 | $171,145 | $307,929 | $109,864 | $76,226 | $8,528 |
| Mineral subs., n.e.s. in Ch.25 | $22,959,159 | $40,097,273 | $48,661,450 | $52,375,389 | $57,482,493 | $80,801,541 | $99,157,972 |
| Total | $23,861,924 | $41,353,488 | $49,836,813 | $53,965,350 | $58,524,123 | $81,921,522 | $100,251,126 |
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