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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $1,114,809 | $1,119,245 | $702,113 | $1,086,113 | $1,300,794 | $844,106 | $1,017,706 |
| Kieserite, epsomite (nat. magnesium sulphates) | $23,224 | $167,224 | $250,193 | $291,450 | $156,070 | $243,729 | $414,162 |
| Mineral subs., n.e.s. in Ch.25 | $6,377,143 | $7,068,778 | $7,722,088 | $8,796,336 | $7,414,418 | $7,660,200 | $9,057,276 |
| Total | $7,515,176 | $8,355,247 | $8,674,394 | $10,173,899 | $8,871,282 | $8,748,035 | $10,489,144 |
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