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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $379,368 | $34,967 | $247,085 | $183,063 | $316,830 | $460,920 | $405,659 |
| Zinc sulphide | $477,906 | $965,286 | | | | | |
| Cadmium sulphide | | $15,696 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,238,175 | $1,634,240 | $1,150,703 | $994,207 | $703,362 | $1,335,169 | $1,508,902 |
| Total | $3,095,449 | $2,650,189 | $1,397,788 | $1,177,270 | $1,020,192 | $1,796,089 | $1,914,561 |
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