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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $346,555 | $319,796 | $386,507 | $425,276 | $263,192 | $194,355 | $181,263 |
| Kieserite, epsomite (nat. magnesium sulphates) | $29,750 | $35,844 | $45,827 | $38,929 | $15,914 | $12,775 | $77,052 |
| Mineral subs., n.e.s. in Ch.25 | $378,579 | $668,492 | $760,239 | $1,317,225 | $1,333,232 | $884,405 | $1,015,358 |
| Total | $754,884 | $1,024,132 | $1,192,573 | $1,781,430 | $1,612,338 | $1,091,535 | $1,273,673 |
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