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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium sulphides | $52,884 | $217,761 | $286,118 | $164,817 | $50,417 | $56,008 |
| Zinc sulphide | | $39 | | | | |
| Cadmium sulphide | | $260 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $141,371 | $3,343 | $8,022 | $12,396 | $18,787 | $16,350 |
| Total | $194,255 | $221,403 | $294,140 | $177,213 | $69,204 | $72,358 |
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