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| Commodity | 2006 | 2007 | 2008 |
| Sodium sulphides | $124,417 | $168,632 | $123,691 |
| Zinc sulphide | $7,271 | $43,994 | |
| Cadmium sulphide | $1,882 | $15,708 | $1,878 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $241,701 | $294,212 | $77,041 |
| Total | $375,271 | $522,546 | $202,610 |
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