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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $1,669 | $2,186 | $8,083 | $628 | $1,009 | $4,435 | $11,378 |
| Kieserite, epsomite (nat. magnesium sulphates) | $731,526 | $775,266 | $756,807 | $1,073,631 | $262,419 | $912,465 | $1,760,674 |
| Mineral subs., n.e.s. in Ch.25 | $1,568,114 | $1,650,408 | $1,548,303 | $3,519,682 | $1,545,296 | $289,507 | $527,363 |
| Total | $2,301,309 | $2,427,860 | $2,313,193 | $4,593,941 | $1,808,724 | $1,206,407 | $2,299,415 |
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