|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $388,000 | $261,000 | $235,000 | $350,000 | | $192,000 | $93,000 |
| Kieserite, epsomite (nat. magnesium sulphates) | $39,000 | $24,000 | $109,000 | $57,000 | | $41,000 | $96,000 |
| Mineral subs., n.e.s. in Ch.25 | $875,000 | $1,319,000 | $1,768,000 | $2,219,000 | $904,000 | $1,066,000 | $1,372,000 |
| Total | $1,302,000 | $1,604,000 | $2,112,000 | $2,626,000 | $904,000 | $1,299,000 | $1,561,000 |
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