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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $9,604 | | $1,372 | $25 | $957 | $403 | $72 |
| Cadmium sulphide | | $131 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | | $3,287 | $342 | $3,246 | $10,575 | $4,971 |
| Total | $9,604 | $131 | $4,659 | $367 | $4,203 | $10,978 | $5,043 |
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