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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $23,038 | $26,245 | $120,391 | $348,289 | $28,215 | $73,105 | $83,720 |
| Kieserite, epsomite (nat. magnesium sulphates) | $100,224 | $93,707 | $407,946 | $421,062 | $112,268 | $435,494 | $560,294 |
| Mineral subs., n.e.s. in Ch.25 | $5,117,703 | $7,410,800 | $11,755,063 | $14,992,815 | $6,513,142 | $10,459,284 | $23,007,434 |
| Total | $5,240,965 | $7,530,752 | $12,283,400 | $15,762,166 | $6,653,625 | $10,967,883 | $23,651,448 |
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