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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $2,184,000 | $2,011,000 | $2,402,000 | $1,601,000 | $1,158,000 | $1,293,064 | $846,236 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $7,167,000 | $9,853,000 | $9,648,000 | $10,451,000 | $12,063,000 | $10,111,336 | $10,352,757 |
| Total | $9,351,000 | $11,864,000 | $12,050,000 | $12,052,000 | $13,221,000 | $11,404,400 | $11,198,993 |
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