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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $65,695,692 | $73,594,060 | $85,898,822 | $65,600,396 | $53,875,306 | $46,258,799 | $65,252,826 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $2,274,972 | $2,637,600 | $3,154,322 | $3,542,300 | $2,835,928 | $3,646,780 | $4,238,750 |
| Total | $67,970,664 | $76,231,660 | $89,053,144 | $69,142,696 | $56,711,234 | $49,905,579 | $69,491,576 |
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