|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | | | | $7,873 | $16,842 | $59,286 | |
| Mineral subs., n.e.s. in Ch.25 | $35,314 | $3,401 | $55,619 | $156 | $17,445 | $21,336 | $24,242 |
| Total | $35,314 | $3,401 | $55,619 | $8,029 | $34,287 | $80,622 | $24,242 |
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