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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $94,538 | $61,601 | $79,119 | $90,109 | $63,008 | $72,535 | $79,876 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $205,185 | $431 | $594 | | $1,764 | $629 | $153 |
| Total | $299,723 | $62,032 | $79,713 | $90,109 | $64,772 | $73,164 | $80,029 |
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