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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $67,158 | $77,893 | $107,080 | $76,626 | $119,994 | $68,968 |
| Zinc sulphide | $7,462 | $22,614 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $31,092 | $905,822 | $112,572 | $3,700,159 | $210,688 | $233,431 |
| Total | $105,712 | $1,006,329 | $219,652 | $3,776,785 | $330,682 | $302,399 |
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