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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $310,003 | $198,843 | $122,735 | $210,128 | $333,021 | $232,306 | $258,058 |
| Mineral subs., n.e.s. in Ch.25 | $137,583 | $170,275 | $150,276 | $244,722 | $209,536 | $172,171 | $229,677 |
| Total | $447,586 | $369,118 | $273,011 | $454,850 | $542,557 | $404,477 | $487,735 |
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