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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $28,749 | $2,256 | | $2,842 | $8,997 | $1,448 | $1,877 |
| Mineral subs., n.e.s. in Ch.25 | $2,998 | $2,157 | $35,326 | $24,374 | $4,683 | $22,238 | $34,638 |
| Total | $31,747 | $4,413 | $35,326 | $27,216 | $13,680 | $23,686 | $36,515 |
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