|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Vermiculite, perlite & chlorites, unexpanded | $16,177 | $3,315 | $4,771 | $1,277 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | $6,973 | |
| Mineral subs., n.e.s. in Ch.25 | $125,447 | $81,823 | $173,936 | $92,942 |
| Total | $141,624 | $85,138 | $185,680 | $94,219 |
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