|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | | | $119 | $1,338 | $4,397 | $275 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | $97 | | | |
| Mineral subs., n.e.s. in Ch.25 | $440 | $594 | $1,192 | $1,534 | $2,130 | $1,715 |
| Total | $440 | $594 | $1,408 | $2,872 | $6,527 | $1,990 |
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