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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $14,366,113 | $11,840,042 | $11,452,756 | $9,070,307 | $6,832,199 | $6,385,160 | $8,442,530 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $912,193 | $2,073,027 | $2,697,948 | $3,056,281 | $1,276,593 | $2,385,644 | $1,327,614 |
| Total | $15,278,306 | $13,913,069 | $14,150,704 | $12,126,588 | $8,108,792 | $8,770,804 | $9,770,144 |
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