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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $1,807 | | $905 | $3,122 | $3,530 | $3,425 | $4,547 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $839 | $420 | | $167 | $10,634 | $2,702 | |
| Total | $2,646 | $420 | $905 | $3,289 | $14,164 | $6,127 | $4,547 |
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