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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $724,835 | $320,874 | $511,619 | $166,550 | $274,116 | $246,089 | $594,402 |
| Kieserite, epsomite (nat. magnesium sulphates) | $43,144 | $68,235 | $230,762 | $195,986 | | $101,336 | |
| Mineral subs., n.e.s. in Ch.25 | $1,119,272 | $1,391,264 | $2,334,152 | $1,411,346 | $1,211,413 | $969,265 | $745,430 |
| Total | $1,887,251 | $1,780,373 | $3,076,533 | $1,773,882 | $1,485,529 | $1,316,690 | $1,339,832 |
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