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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $1,312,051 | $551,370 | $935,400 | $1,265,569 | $41 | $2,950 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | | $8,623 | $24 | | |
| Total | $1,312,051 | $551,370 | $944,023 | $1,265,593 | $41 | $2,950 |
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