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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $18,794 | $6,019 | $12,863 | $121,706 | $138,273 | $45,275 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $334 | $184 | | $2,946 | $6,137 | $9,502 |
| Total | $19,128 | $6,203 | $12,863 | $124,652 | $144,410 | $54,777 |
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