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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $10,060,763 | $8,588,599 | $10,270,274 | $11,955,041 | $13,517,962 | $24,616,451 | $38,865,529 |
| Kieserite, epsomite (nat. magnesium sulphates) | $11,861,110 | $10,757,393 | $14,341,652 | $19,944,734 | $11,178,924 | $23,970,693 | $19,100,072 |
| Mineral subs., n.e.s. in Ch.25 | $43,402,803 | $42,846,323 | $53,934,486 | $66,397,610 | $36,406,180 | $42,825,476 | $55,331,787 |
| Total | $65,324,676 | $62,192,315 | $78,546,412 | $98,297,385 | $61,103,066 | $91,412,620 | $113,297,388 |
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