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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $395,793 | $471,665 | $377,713 | $607,304 | $603,568 | $395,155 |
| Zinc sulphide | | $960 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $13,349 | $30,253 | $46,034 | $37,333 | $86,988 | $92,766 |
| Total | $409,142 | $502,878 | $423,747 | $644,637 | $690,556 | $487,921 |
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