|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $2,020,379 | $1,934,631 | $2,155,386 | $3,002,355 | $2,156,885 | $3,041,053 | $4,048,835 |
| Kieserite, epsomite (nat. magnesium sulphates) | $872 | | | $3,606 | $1,630 | | |
| Mineral subs., n.e.s. in Ch.25 | $11,022,061 | $6,060,938 | $8,374,791 | $4,429,435 | $9,278,275 | $9,889,338 | $27,028,537 |
| Total | $13,043,312 | $7,995,569 | $10,530,177 | $7,435,396 | $11,436,790 | $12,930,391 | $31,077,372 |
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