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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $388,767 | $490,540 | $432,466 | $393,020 | $313,730 | $484,036 | $621,068 |
| Zinc sulphide | $85,302 | $8,361 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $189,570 | $212,583 | $216,386 | $272,577 | $59,032 | $235,002 | $481,796 |
| Total | $663,639 | $711,484 | $648,852 | $665,597 | $372,762 | $719,038 | $1,102,864 |
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