|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $24,000 | $6,641 | $2,879 | $20,051 | $5,214 | $43,621 | $40,511 |
| Kieserite, epsomite (nat. magnesium sulphates) | $4,000 | | | | | | |
| Mineral subs., n.e.s. in Ch.25 | $1,772,000 | $677,960 | $2,271,148 | $3,001,634 | $3,511,751 | $5,642,021 | $4,428,898 |
| Total | $1,800,000 | $684,601 | $2,274,027 | $3,021,685 | $3,516,965 | $5,685,642 | $4,469,409 |
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