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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $17,733,358 | $20,945,748 | $20,886,653 | $21,283,225 | $11,405,748 | $12,641,925 | $16,214,150 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $2,769,723 | $3,374,211 | $3,941,328 | $4,202,900 | $4,616,186 | $4,630,749 | $4,875,863 |
| Total | $20,503,081 | $24,319,959 | $24,827,981 | $25,486,125 | $16,021,934 | $17,272,674 | $21,090,013 |
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