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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $3,096 | $2,005 | $168,803 | $128,553 | $60,813 | $142,310 | $168,911 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | | $592 | $264 | $90 | $269 | $110 |
| Total | $3,096 | $2,005 | $169,395 | $128,817 | $60,903 | $142,579 | $169,021 |
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