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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $84,107,604 | $85,454,842 | $80,777,194 | $66,431,483 | $44,048,128 | $30,237,718 | $22,768,122 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $1,739,666 | $1,374,978 | $2,713,093 | $1,801,674 | $2,673,537 | $1,616,626 | $2,747,935 |
| Total | $85,847,270 | $86,829,820 | $83,490,287 | $68,233,157 | $46,721,665 | $31,854,344 | $25,516,057 |
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