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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $30,834 | $50,784 | $37,344 | $86,941 | $105 | $72 | $139 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,192 | $11,069 | $286 | $34,057 | $326 | $27,348 | $164,120 |
| Total | $33,026 | $61,853 | $37,630 | $120,998 | $431 | $27,420 | $164,259 |
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