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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $516,166 | $864,935 | $674,745 | $743,029 | $363,332 | $3,038,136 | $1,051,001 |
| Kieserite, epsomite (nat. magnesium sulphates) | $47,558 | $19,999 | $18,149 | $81,224 | $92,308 | $78,761 | $14,970 |
| Mineral subs., n.e.s. in Ch.25 | $36,299,122 | $43,751,014 | $30,372,126 | $25,277,735 | $8,125,881 | $12,460,763 | $14,201,964 |
| Total | $36,862,846 | $44,635,948 | $31,065,020 | $26,101,988 | $8,581,521 | $15,577,660 | $15,267,935 |
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