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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $1,594,332 | $1,588,521 | $2,384,957 | $3,228,600 | $4,870,315 | $3,351,362 | $4,310,328 |
| Kieserite, epsomite (nat. magnesium sulphates) | $552,173 | $322,137 | $306,187 | $1,799,842 | $752,613 | $1,019,193 | $549,851 |
| Mineral subs., n.e.s. in Ch.25 | $7,080,115 | $10,860,338 | $9,175,438 | $6,067,240 | $5,449,716 | $7,499,921 | $11,076,079 |
| Total | $9,226,620 | $12,770,996 | $11,866,582 | $11,095,682 | $11,072,644 | $11,870,476 | $15,936,258 |
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