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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $2,430 | $1,740 | $3,077 | $121 | $131 | $415 |
| Zinc sulphide | $205 | $607 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,753 | $49 | $7,368 | $6 | $4,756 | $72 |
| Total | $5,388 | $2,396 | $10,445 | $127 | $4,887 | $487 |
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