|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $20,558 | $6,346 | $4,568 | $39,752 | $1,754,421 | $46,470 | $80,000 |
| Kieserite, epsomite (nat. magnesium sulphates) | | $21 | | | $10,730 | | $1,000 |
| Mineral subs., n.e.s. in Ch.25 | $36,948 | $91,122 | $362,771 | $30,662 | $79,940 | $401,458 | $599,000 |
| Total | $57,506 | $97,489 | $367,339 | $70,414 | $1,845,091 | $447,928 | $680,000 |
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