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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $1,208,189 | $1,022,016 | $1,550,953 | $1,187,633 | $932,707 | $892,046 | $1,922,950 |
| Zinc sulphide | $1,582,715 | $1,659,834 | | | | | |
| Cadmium sulphide | $2,489 | | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $9,208,864 | $8,487,503 | $9,688,655 | $5,923,430 | $4,337,365 | $6,143,584 | $7,225,673 |
| Total | $12,002,257 | $11,169,353 | $11,239,608 | $7,111,063 | $5,270,072 | $7,035,630 | $9,148,623 |
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