|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $33,820 | $228,047 | $102,534 | $145,937 | $299,104 | $356,617 | $82,394 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | $166 | |
| Mineral subs., n.e.s. in Ch.25 | $3,558,478 | $3,022,122 | $3,598,477 | $4,149,406 | $2,419,511 | $3,180,609 | $1,204,480 |
| Total | $3,592,298 | $3,250,169 | $3,701,011 | $4,295,343 | $2,718,615 | $3,537,392 | $1,286,874 |
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