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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $100,974 | $250,430 | $213,554 | $140,121 | $179,559 | $272,554 | $569,939 |
| Zinc sulphide | $371,098 | $518,757 | $341,398 | $161,366 | | | |
| Cadmium sulphide | $102,516 | $1,882 | $55,068 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $428,455 | $434,551 | $495,421 | $1,386,787 | $1,670,294 | $2,432,646 | $12,715,422 |
| Total | $1,003,043 | $1,205,620 | $1,105,441 | $1,688,274 | $1,849,853 | $2,705,200 | $13,285,361 |
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