|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $933 | $951 | $7,662 | | $10,171 | | $9,837 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,908 | $1,297 | $3,507 | $34 | $631 | $832 | |
| Mineral subs., n.e.s. in Ch.25 | $11,413 | $19,799 | $32,952 | $11,923 | $95,593 | $78,635 | $38,799 |
| Total | $14,254 | $22,047 | $44,121 | $11,957 | $106,395 | $79,467 | $48,636 |
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