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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $69,865 | $97,845 | $216,130 | $56,501 | $16,498 | $42,540 | $424 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | $53 | | $1,517 | $50 | | $26,095 |
| Total | $69,865 | $97,898 | $216,130 | $58,018 | $16,548 | $42,540 | $26,519 |
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