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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $5,951 | $7,068 | $24,176 | $207,329 | $4,501 | $19,623 | $145,156 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $77 | $2,119 | $5,687 | $1,196 | $5,432 | $1,482 | $2,921 |
| Total | $6,028 | $9,187 | $29,863 | $208,525 | $9,933 | $21,105 | $148,077 |
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