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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $865,120 | $1,129,853 | $1,436,193 | $1,254,657 | $1,068,197 | $1,960,602 | $878,673 |
| Kieserite, epsomite (nat. magnesium sulphates) | $6,665,983 | $7,202,204 | $7,921,790 | $12,957,269 | $11,366,059 | | |
| Mineral subs., n.e.s. in Ch.25 | $7,395,778 | $7,732,217 | $8,392,356 | $8,088,308 | $8,676,409 | $10,357,079 | $7,587,279 |
| Total | $14,926,881 | $16,064,274 | $17,750,339 | $22,300,234 | $21,110,665 | $12,317,681 | $8,465,952 |
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