|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $1,527 | $3,248 | $4,307 | $6,554 | $4,104 | $5,559 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | $21 |
| Mineral subs., n.e.s. in Ch.25 | $86,592 | $71,417 | $56,753 | $75,233 | $49,586 | $44,642 |
| Total | $88,119 | $74,665 | $61,060 | $81,787 | $53,690 | $50,222 |
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