|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | | $1,093 | $1,366 | $367 | | |
| Kieserite, epsomite (nat. magnesium sulphates) | $13 | $14 | | | | |
| Mineral subs., n.e.s. in Ch.25 | $310 | $3,233 | $48 | $1,979 | $3,275 | $842 |
| Total | $323 | $4,340 | $1,414 | $2,346 | $3,275 | $842 |
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