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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $682,571 | $354,217 | $322,667 | $446,131 | $253,551 | $653,328 |
| Zinc sulphide | $1,290,110 | $1,532,768 | | | | |
| Cadmium sulphide | $3,909 | $6,467 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,548,751 | $2,754,155 | $4,509,657 | $9,711,674 | $5,126,246 | $7,197,744 |
| Total | $4,525,341 | $4,647,607 | $4,832,324 | $10,157,805 | $5,379,797 | $7,851,072 |
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