|
| Commodity | 2005 | 2007 | 2008 |
| Vermiculite, perlite & chlorites, unexpanded | $219,482 | $556,287 | $1,475,558 |
| Kieserite, epsomite (nat. magnesium sulphates) | $9,292 | $45,206 | |
| Mineral subs., n.e.s. in Ch.25 | $2,599,159 | $6,437,157 | $3,668,246 |
| Total | $2,827,933 | $7,038,650 | $5,143,804 |
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