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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $17,704,291 | $15,932,974 | $17,043,367 | $15,729,401 | $12,636,966 | $10,888,772 | $11,674,782 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $20,003,977 | $20,672,442 | $21,373,804 | $22,949,380 | $21,113,913 | $21,373,821 | $18,429,170 |
| Total | $37,708,268 | $36,605,416 | $38,417,171 | $38,678,781 | $33,750,879 | $32,262,593 | $30,103,952 |
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