|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $16,403 | $30,666 | $33,102 | $10,771 | $5,616 | $1,242 | $5,206 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | $801 | $4 | $6 | $32 |
| Mineral subs., n.e.s. in Ch.25 | $3,692 | $87,285 | $56,126 | $6,072 | $61,330 | $2,024 | $8,754 |
| Total | $20,095 | $117,951 | $89,228 | $17,644 | $66,950 | $3,272 | $13,992 |
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