|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $980,362 | $878,935 | $1,765,408 | $834,506 | $343,604 | $1,483,332 | $1,594,325 |
| Kieserite, epsomite (nat. magnesium sulphates) | | $9,029 | $7,041 | $9,980 | $1,204 | $4,596 | |
| Mineral subs., n.e.s. in Ch.25 | $21,491,412 | $21,706,844 | $32,973,517 | $45,449,306 | $39,876,402 | $54,961,822 | $85,849,755 |
| Total | $22,471,774 | $22,594,808 | $34,745,966 | $46,293,792 | $40,221,210 | $56,449,750 | $87,444,080 |
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