|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $4,057 | $1,800 | $9,608 | $47,009 | $5,865 | $10,607 | $53,936 |
| Kieserite, epsomite (nat. magnesium sulphates) | $104 | | | | | | |
| Mineral subs., n.e.s. in Ch.25 | $31,829 | $36,958 | $40,215 | $60,801 | $74,998 | $58,182 | $66,112 |
| Total | $35,990 | $38,758 | $49,823 | $107,810 | $80,863 | $68,789 | $120,048 |
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