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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $184,584 | $154,745 | $180,445 | $160,876 | $114,332 | $157,774 | $145,539 |
| Zinc sulphide | $56,661 | $49,046 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $267,767 | $265,200 | $497,115 | $534,663 | $205,086 | $285,634 | $221,393 |
| Total | $509,012 | $468,991 | $677,560 | $695,539 | $319,418 | $443,408 | $366,932 |
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