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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $704,642 | $1,581,934 | $3,859,248 | $6,674,606 | $4,728,394 | $4,424,756 | $6,673,709 |
| Zinc sulphide | $657,835 | $90,017 | $37,688 | | | | |
| Cadmium sulphide | $507 | $86 | $173 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $920,095 | $1,640,638 | $2,253,801 | $3,593,225 | $2,848,346 | $3,324,088 | $5,400,889 |
| Total | $2,283,079 | $3,312,675 | $6,150,910 | $10,267,831 | $7,576,740 | $7,748,844 | $12,074,598 |
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