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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $49,933 | $99,648 | $87,324 | $122,307 | $119,835 | $182,498 | $152,159 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $4,905 | $7,486 | $18,169 | $59,928 | | $18,384 | $33,007 |
| Total | $54,838 | $107,134 | $105,493 | $182,235 | $119,835 | $200,882 | $185,166 |
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