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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $10,214,304 | $10,710,085 | $12,297,292 | $10,966,598 | $5,924,326 | $5,592,384 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,062,917 | $401,408 | $902,859 | $2,429,788 | $622,888 | $2,273,208 |
| Mineral subs., n.e.s. in Ch.25 | $17,459,300 | $17,087,287 | $19,069,023 | $18,333,814 | $16,191,094 | $13,126,157 |
| Total | $28,736,521 | $28,198,780 | $32,269,174 | $31,730,200 | $22,738,308 | $20,991,749 |
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