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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $167,660 | $316,144 | $509,576 | $838,724 | $575,585 | $1,104,400 |
| Zinc sulphide | $33,884 | | | | | |
| Cadmium sulphide | $40,924 | $19,037 | $5,250 | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $73,664 | $163,893 | $378,582 | $646,966 | $177,872 | $631,170 |
| Total | $316,132 | $499,074 | $893,408 | $1,485,690 | $753,457 | $1,735,570 |
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