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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $7,581 | $9,001 | $7,014 | $26,773 | $32,348 | $13,051 | $2,943 |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $571 | $6,465 | $1,467 | | $3,614 | $9,072 | $1,155 |
| Total | $8,152 | $15,466 | $8,481 | $26,773 | $35,962 | $22,123 | $4,098 |
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