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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $48,281 | $65,214 | $1,266 | $1,127 | $833 | $8,414 | $2,333 |
| Zinc sulphide | | $23,010 | | | | | |
| Cadmium sulphide | $19,623 | $21,769 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $76 | $1,055 | $7,208 | $458,185 | $168,413 | $245,691 | $70,792 |
| Total | $67,980 | $111,048 | $8,474 | $459,312 | $169,246 | $254,105 | $73,125 |
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