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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $98,841 | $70,743 | $98,229 | $77,873 | $55,067 | $47,545 | $46,707 |
| Kieserite, epsomite (nat. magnesium sulphates) | $8,541 | $4,547 | $7,768 | $9,045 | $1,318 | $2,003 | $2,897 |
| Mineral subs., n.e.s. in Ch.25 | $4,512,440 | $4,559,486 | $4,804,511 | $4,909,800 | $6,037,273 | $6,219,971 | $6,467,106 |
| Total | $4,619,822 | $4,634,776 | $4,910,508 | $4,996,718 | $6,093,658 | $6,269,519 | $6,516,710 |
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