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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $6,239,885 | $7,270,013 | $6,320,427 | $6,358,620 | $5,992,325 | $8,363,008 | $8,503,797 |
| Zinc sulphide | $68,707 | | $4 | | | | |
| Cadmium sulphide | | | $14,265 | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $460,968 | $321,589 | $184,307 | $231,991 | $39,980 | $94,079 | $605,586 |
| Total | $6,769,560 | $7,591,602 | $6,519,003 | $6,590,611 | $6,032,305 | $8,457,087 | $9,109,383 |
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