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| Commodity | 2005 | 2006 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | | | $2,221 | $19 | |
| Kieserite, epsomite (nat. magnesium sulphates) | | | $1,380 | $1,246 | $4,542 |
| Mineral subs., n.e.s. in Ch.25 | $774 | $424 | $127 | $39 | $344 |
| Total | $774 | $424 | $3,728 | $1,304 | $4,886 |
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