|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $277,606 | $263,992 | $163,198 | $278,569 | $295,274 | $254,687 | $225,656 |
| Kieserite, epsomite (nat. magnesium sulphates) | $804,016 | $818,883 | $506,461 | $927,811 | $46,267 | $3,231 | |
| Mineral subs., n.e.s. in Ch.25 | $775,352 | $1,388,829 | $733,035 | $474,844 | $316,459 | $294,389 | $776,474 |
| Total | $1,856,974 | $2,471,704 | $1,402,694 | $1,681,224 | $658,000 | $552,307 | $1,002,130 |
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