|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $221,854 | $104,002 | $86,842 | $116,507 | $180,394 | $225,917 | $181,663 |
| Kieserite, epsomite (nat. magnesium sulphates) | $5,851 | $7,543 | | | $33,232 | $7,656 | |
| Mineral subs., n.e.s. in Ch.25 | $350,279 | $173,438 | $161,497 | $74,264 | $56,614 | $42,324 | $16,637 |
| Total | $577,984 | $284,983 | $248,339 | $190,771 | $270,240 | $275,897 | $198,300 |
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