|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | | $37,241 | | $32,349 | | | |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | | $42,804 |
| Mineral subs., n.e.s. in Ch.25 | $136,856 | $36,228 | $572,036 | $224,413 | $1,855 | $41 | $73,835 |
| Total | $136,856 | $73,469 | $572,036 | $256,762 | $1,855 | $41 | $116,639 |
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