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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $6,499,368 | $6,848,593 | $7,733,595 | $8,408,975 | $6,219,827 | $6,049,292 | $7,966,162 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,124,087 | $1,378,479 | $1,499,877 | $2,634,057 | $2,177,431 | $2,053,503 | $1,896,921 |
| Mineral subs., n.e.s. in Ch.25 | $55,408,362 | $59,631,408 | $64,249,702 | $63,937,825 | $45,560,895 | $57,300,199 | $60,279,461 |
| Total | $63,031,817 | $67,858,480 | $73,483,174 | $74,980,857 | $53,958,153 | $65,402,994 | $70,142,544 |
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