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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $5,949,965 | $8,392,815 | $9,021,606 | $8,651,888 | $7,497,310 | $5,193,271 |
| Kieserite, epsomite (nat. magnesium sulphates) | $1,720,580 | $2,496,866 | $1,755,818 | $3,866,816 | $2,913,291 | $2,162,310 |
| Mineral subs., n.e.s. in Ch.25 | $9,326,265 | $9,577,269 | $10,466,776 | $13,433,900 | $12,021,973 | $12,988,998 |
| Total | $16,996,810 | $20,466,950 | $21,244,200 | $25,952,604 | $22,432,574 | $20,344,579 |
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