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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $7,851 | $7,697 | | $65,971 | $319 | $426 | $4,691 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $18,878 | | $4,580 | | $1,545 | $6,112 | $25,316 |
| Total | $26,729 | $7,697 | $4,580 | $65,971 | $1,864 | $6,538 | $30,007 |
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