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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $646,595 | $727,242 | $1,372,381 | $1,007,468 | $479,991 | $325,107 | $967,300 |
| Mineral subs., n.e.s. in Ch.25 | $149,795 | $142,324 | $314,588 | $135,773 | $88,483 | $63,439 | $174,725 |
| Total | $796,390 | $869,566 | $1,686,969 | $1,143,241 | $568,474 | $388,546 | $1,142,025 |
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