|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $22,721 | $1,243 | $3,255 | $10,335 | $41,075 | | $19,525 |
| Kieserite, epsomite (nat. magnesium sulphates) | $9,707 | | $312 | $265 | | | |
| Mineral subs., n.e.s. in Ch.25 | $680,762 | $646,155 | $574,537 | $628,185 | $706,140 | $740,456 | $890,971 |
| Total | $713,190 | $647,398 | $578,104 | $638,785 | $747,215 | $740,456 | $910,496 |
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