|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Vermiculite, perlite & chlorites, unexpanded | $36,279,649 | $272,483,083 | $32,273,233 | $38,268,001 | $31,690,835 | $35,422,742 | $37,986,013 |
| Kieserite, epsomite (nat. magnesium sulphates) | | | | | | | $668 |
| Mineral subs., n.e.s. in Ch.25 | $1,526,709 | $1,752,604 | $3,092,705 | $2,365,425 | $906,617 | $630,871 | $881,042 |
| Total | $37,806,358 | $274,235,687 | $35,365,938 | $40,633,426 | $32,597,452 | $36,053,613 | $38,867,723 |
|
|
