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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $27,542,191 | $26,362,736 | $28,160,914 | $34,085,673 | $30,052,532 | $29,074,717 | $40,136,272 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,962,195 | $1,020,914 | $849,177 | $1,493,727 | $1,170,600 | $1,310,701 | $1,458,406 |
| Mineral subs., n.e.s. in Ch.25 | $107,392,688 | $125,732,462 | $109,450,752 | $296,196,614 | $107,406,089 | $102,847,921 | $103,708,036 |
| Total | $136,897,074 | $153,116,112 | $138,460,843 | $331,776,014 | $138,629,221 | $133,233,339 | $145,302,714 |
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