|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $208,574 | $243,297 | $671,033 | $434,559 | $647,623 | $1,928,827 | $12,929,532 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | $1,692 | | | |
| Mineral subs., n.e.s. in Ch.25 | $1,966,626 | $1,616,858 | $1,500,677 | $1,713,864 | $2,434,519 | $2,771,130 | $3,640,021 |
| Total | $2,175,200 | $1,860,155 | $2,171,710 | $2,150,115 | $3,082,142 | $4,699,957 | $16,569,553 |
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