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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $11,734,998 | $14,044,986 | $16,156,633 | $14,290,654 | $10,343,477 | $11,244,102 | $12,586,287 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $9,646,690 | $10,655,806 | $9,672,871 | $9,673,411 | $10,338,308 | $12,226,967 | $15,105,186 |
| Total | $21,381,688 | $24,700,792 | $25,829,504 | $23,964,065 | $20,681,785 | $23,471,069 | $27,691,473 |
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