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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $12,653 | $13,137 | $213,891 | $432,052 | $75,128 | $85,187 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $83,670 | $14,792 | $7,430 | $19,356 | $18,931 | $12,133 |
| Total | $96,323 | $27,929 | $221,321 | $451,408 | $94,059 | $97,320 |
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