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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $470,214 | $523,202 | $832,723 | $697,120 | $615,541 | $710,486 | $2,726,165 |
| Kieserite, epsomite (nat. magnesium sulphates) | $10,336,375 | $12,819,868 | $22,327,030 | $30,928,027 | $20,629,008 | $32,465,260 | $35,562,390 |
| Mineral subs., n.e.s. in Ch.25 | $4,985,536 | $3,004,574 | $3,994,589 | $4,193,729 | $4,367,598 | $5,809,890 | $7,933,262 |
| Total | $15,792,125 | $16,347,644 | $27,154,342 | $35,818,876 | $25,612,147 | $38,985,636 | $46,221,817 |
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