|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $46,633 | $50,701 | $111,190 | $156,948 | $85,186 | $152,986 | $180,057 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | $2,021 | $2,441 | $2,422 | | |
| Mineral subs., n.e.s. in Ch.25 | $47,434 | $42,490 | $69,194 | $85,611 | $65,301 | $121,168 | $340,987 |
| Total | $94,067 | $93,191 | $182,405 | $245,000 | $152,909 | $274,154 | $521,044 |
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