|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $2,942,000 | $3,123,000 | $4,043,000 | $5,852,000 | $4,890,000 | $4,255,000 | $4,179,000 |
| Mineral subs., n.e.s. in Ch.25 | $364,000 | $758,000 | $746,000 | $895,000 | $756,000 | $483,000 | $545,000 |
| Total | $3,306,000 | $3,881,000 | $4,789,000 | $6,747,000 | $5,646,000 | $4,738,000 | $4,724,000 |
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