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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $9,406 | $30,723 | $6,835 | $16,970 | $12,916 | $59,574 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $48,022 | $411 | | $1,804 | | |
| Total | $57,428 | $31,134 | $6,835 | $18,774 | $12,916 | $59,574 |
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