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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $10,296,553 | $12,437,872 | $16,534,263 | $21,265,914 | $15,567,338 | $19,702,572 | $20,425,852 |
| Kieserite, epsomite (nat. magnesium sulphates) | $666,046 | $552,774 | $651,750 | $671,163 | $219,284 | $172,017 | $127,144 |
| Mineral subs., n.e.s. in Ch.25 | $46,488,427 | $35,773,556 | $44,822,487 | $54,498,480 | $39,680,736 | $48,662,016 | $61,733,293 |
| Total | $57,451,026 | $48,764,202 | $62,008,500 | $76,435,557 | $55,467,358 | $68,536,605 | $82,286,289 |
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