|
| Commodity | 2005 | 2006 | 2007 | 2009 |
| Vermiculite, perlite & chlorites, unexpanded | $6,455 | $3,184 | $15,097 | $5,189 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,809 | | | |
| Mineral subs., n.e.s. in Ch.25 | $94,849 | $92,173 | $83,430 | $73,245 |
| Total | $103,113 | $95,357 | $98,527 | $78,434 |
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