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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $477,944 | $520,349 | $716,641 | $641,891 | $548,281 | $676,277 | $1,029,175 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,365,419 | $92,691 | $438,504 | $1,507,004 | $294,282 | $277,982 | $729,090 |
| Mineral subs., n.e.s. in Ch.25 | $2,512,213 | $1,715,821 | $1,834,081 | $2,784,360 | $1,437,627 | $2,927,002 | $3,392,858 |
| Total | $4,355,576 | $2,328,861 | $2,989,226 | $4,933,255 | $2,280,190 | $3,881,261 | $5,151,123 |
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