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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $278,668 | $384,695 | $1,831,511 | $1,429,559 | $1,273,770 | $1,796,314 | $3,171,171 |
| Kieserite, epsomite (nat. magnesium sulphates) | $17,116,893 | $16,922,123 | $20,506,265 | $43,148,088 | $12,726,118 | $33,483,133 | $41,777,715 |
| Mineral subs., n.e.s. in Ch.25 | $9,026,390 | $8,368,959 | $7,224,376 | $8,611,293 | $7,589,099 | $16,536,174 | $28,168,924 |
| Total | $26,421,951 | $25,675,777 | $29,562,152 | $53,188,940 | $21,588,987 | $51,815,621 | $73,117,810 |
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