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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $50,001 | $84,086 | $33,549 | $92,974 | $628,142 | $80,237 | $86,486 |
| Kieserite, epsomite (nat. magnesium sulphates) | $292,581 | $213,801 | $284,784 | $382,253 | $555,952 | $293,037 | $209,279 |
| Mineral subs., n.e.s. in Ch.25 | $1,791,507 | $2,383,467 | $2,265,344 | $4,270,756 | $3,660,213 | $4,539,634 | $6,000,387 |
| Total | $2,134,089 | $2,681,354 | $2,583,677 | $4,745,983 | $4,844,307 | $4,912,908 | $6,296,152 |
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