|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $8,747 | | $4,937 | | $82,802 | | |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | $9 | |
| Mineral subs., n.e.s. in Ch.25 | $101,433 | $69,369 | $127,750 | $22,730 | | $285 | $1,029 |
| Total | $110,180 | $69,369 | $132,687 | $22,730 | $82,802 | $294 | $1,029 |
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