|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $896 | $643 | | | $223 | $458 | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $1 | $983 | $15,935 | $4,670 | | $15,549 | $1,000 |
| Total | $897 | $1,626 | $15,935 | $4,670 | $223 | $16,007 | $1,000 |
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