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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $8,657,322 | $8,184,611 | $8,171,325 | $8,990,560 | $7,291,790 | $8,976,377 | $10,818,641 |
| Kieserite, epsomite (nat. magnesium sulphates) | $492,592 | $207,700 | $473,967 | $224,252 | $310,897 | $264,572 | $1,819,590 |
| Mineral subs., n.e.s. in Ch.25 | $32,351,753 | $34,640,625 | $40,203,726 | $47,856,338 | $44,703,087 | $104,659,241 | $134,910,360 |
| Total | $41,501,667 | $43,032,936 | $48,849,018 | $57,071,150 | $52,305,774 | $113,900,190 | $147,548,591 |
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