|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $434,284 | $484,237 | $606,964 | $521,971 | $276,274 | $281,473 | $422,365 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | $2,028 | | | | |
| Mineral subs., n.e.s. in Ch.25 | $177,466 | $135,792 | $261,710 | $197,907 | $80,832 | $159,882 | $40,379 |
| Total | $611,750 | $620,029 | $870,702 | $719,878 | $357,106 | $441,355 | $462,744 |
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