|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | | | | $736 | $2,948 | | $2,175 |
| Zinc sulphide | | $206 | $7,237 | $2,245 | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $3,546 | | $4,752 | $29 | $6,900 | $2,231 | $6,094 |
| Total | $3,546 | $206 | $11,989 | $3,010 | $9,848 | $2,231 | $8,269 |
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