|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $558 | $11,453 | | | | | $1,711 |
| Kieserite, epsomite (nat. magnesium sulphates) | $304 | | | | | | |
| Mineral subs., n.e.s. in Ch.25 | $15,823 | $28,721 | $2,993,891 | $6,861,977 | $8,272,020 | $8,458,947 | $13,985,175 |
| Total | $16,685 | $40,174 | $2,993,891 | $6,861,977 | $8,272,020 | $8,458,947 | $13,986,886 |
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