|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $56 | | $9,352 | $82,451 | $12,890 | $90,839 | $54,597 |
| Kieserite, epsomite (nat. magnesium sulphates) | | $469 | $291 | $14,541 | $5,206 | $5,346 | $225,806 |
| Mineral subs., n.e.s. in Ch.25 | $73,488 | $48,470 | $114,755 | $306,204 | $631,105 | $1,428,795 | $1,866,180 |
| Total | $73,544 | $48,939 | $124,398 | $403,196 | $649,201 | $1,524,980 | $2,146,583 |
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