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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $1,385,473 | $1,838,749 | $2,336,428 | $2,081,473 | $2,008,769 | $1,718,315 | $2,228,749 |
| Kieserite, epsomite (nat. magnesium sulphates) | $533,965 | $827,113 | $1,467,189 | $1,623,864 | $922,628 | $1,012,639 | $1,616,792 |
| Mineral subs., n.e.s. in Ch.25 | $6,467,284 | $9,032,859 | $10,450,304 | $10,908,167 | $7,673,674 | $7,583,643 | $13,632,767 |
| Total | $8,386,722 | $11,698,721 | $14,253,921 | $14,613,504 | $10,605,071 | $10,314,597 | $17,478,308 |
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