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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $44,248 | $94,840 | $99,010 | $95,378 | $67,272 | $97,278 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | | $8,967 | $32,343 | $922 | $4,342 |
| Total | $44,248 | $94,840 | $107,977 | $127,721 | $68,194 | $101,620 |
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