|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $5,017 | $14,827 | $384,733 | $532,415 | $296,294 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | $4,057 |
| Mineral subs., n.e.s. in Ch.25 | $143,586 | $1,733,139 | $4,763,101 | $1,825,688 | $1,801,649 |
| Total | $148,603 | $1,747,966 | $5,147,834 | $2,358,103 | $2,102,000 |
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