|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $72,000 | $114,000 | $27,000 | $4,000 | $22,000 | $26,000 | $8,000 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | $1,000 | |
| Mineral subs., n.e.s. in Ch.25 | $13,000 | $13,000 | $76,000 | $2,492,000 | $84,000 | $207,000 | $94,000 |
| Total | $85,000 | $127,000 | $103,000 | $2,496,000 | $106,000 | $234,000 | $102,000 |
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