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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $347,322 | $418,759 | $589,121 | $569,932 | $634,800 | $795,405 | $482,197 |
| Kieserite, epsomite (nat. magnesium sulphates) | $89,544 | $23,459 | $60,622 | $51,005 | $122,089 | $109,311 | $550,543 |
| Mineral subs., n.e.s. in Ch.25 | $1,969,213 | $2,286,256 | $2,093,188 | $4,208,159 | $4,314,014 | $4,342,020 | $4,284,087 |
| Total | $2,406,079 | $2,728,474 | $2,742,931 | $4,829,096 | $5,070,903 | $5,246,736 | $5,316,827 |
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