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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $3,634,828 | $3,148,946 | $3,285,215 | $3,791,550 | $3,754,763 | $26,698,231 | $37,403,032 |
| Kieserite, epsomite (nat. magnesium sulphates) | $2,920,664 | $3,309,035 | $4,392,121 | $7,885,976 | $6,003,170 | $12,846,731 | $9,067,453 |
| Mineral subs., n.e.s. in Ch.25 | $25,287,043 | $19,263,091 | $29,301,301 | $27,216,925 | $18,341,921 | $43,375,605 | $42,291,119 |
| Total | $31,842,535 | $25,721,072 | $36,978,637 | $38,894,451 | $28,099,854 | $82,920,567 | $88,761,604 |
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