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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $8,682 | $21,598 | $20,290 | $9,411 | $8,127 | $14,871 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $52 | $300 | $6,424 | $74 | | $78,317 |
| Total | $8,734 | $21,898 | $26,714 | $9,485 | $8,127 | $93,188 |
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