|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Gypsum; anhydrite | $4,228,000 | $4,445,000 | $4,458,000 | $7,825,000 | $8,498,000 | $10,072,000 | $10,141,000 |
| Plasters (consisting of calcined gypsum/calcium sulphate) whether or not co ... | $1,996,000 | $2,052,000 | $2,381,000 | $3,092,000 | $2,919,000 | $3,147,000 | $3,711,000 |
| Total | $6,224,000 | $6,497,000 | $6,839,000 | $10,917,000 | $11,417,000 | $13,219,000 | $13,852,000 |
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