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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $1,424,158 | $2,049,350 | $3,585,741 | $1,017,667 | $186,830 | $194,646 | $222,737 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $13,236 | $177 | $232,395 | $66,497 | $954 | $2,911 | $812,963 |
| Total | $1,437,394 | $2,049,527 | $3,818,136 | $1,084,164 | $187,784 | $197,557 | $1,035,700 |
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