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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Sodium sulphides | $3,386 | $39,401 | $57,089 | $104,957 | $13,704 | $539 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $1,259 | $90 | $2,235 | $2,117 | | |
| Total | $4,645 | $39,491 | $59,324 | $107,074 | $13,704 | $539 |
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