|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | | | | | $11,538 | $18,222 |
| Kieserite, epsomite (nat. magnesium sulphates) | | $5,489 | $10,799 | $112,912 | | $21,315 |
| Mineral subs., n.e.s. in Ch.25 | $4,478 | $5,979 | $6,946 | $5,627 | $4,370 | $460 |
| Total | $4,478 | $11,468 | $17,745 | $118,539 | $15,908 | $39,997 |
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