|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $8,561 | | $434 | | $4,513 | | $5,075 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | | $1,255 |
| Mineral subs., n.e.s. in Ch.25 | $292,747 | $460,715 | $275,332 | $458,584 | $111,756 | $48,750 | $10,481 |
| Total | $301,308 | $460,715 | $275,766 | $458,584 | $116,269 | $48,750 | $16,811 |
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