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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $5,827,828 | $3,427,192 | $6,621,263 | $9,472,249 | $6,765,897 | $8,802,306 | $11,092,047 |
| Zinc sulphide | $9,403 | $25,049 | | | | | |
| Cadmium sulphide | | $8,336 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $916,273 | $204,176 | $11,758 | $12,023 | $461,274 | $484,896 | $9,527 |
| Total | $6,753,504 | $3,664,753 | $6,633,021 | $9,484,272 | $7,227,171 | $9,287,202 | $11,101,574 |
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