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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $23,132,502 | $27,156,866 | $26,645,471 | $39,098,977 | $24,577,466 | $39,669,898 | $35,137,139 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,152,727 | $1,108,922 | $1,488,201 | $2,244,506 | $674,276 | $1,390,187 | $1,624,265 |
| Mineral subs., n.e.s. in Ch.25 | $49,197,158 | $48,934,121 | $49,726,346 | $62,919,558 | $54,699,241 | $68,650,432 | $78,474,736 |
| Total | $73,482,387 | $77,199,909 | $77,860,018 | $104,263,041 | $79,950,983 | $109,710,517 | $115,236,140 |
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