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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $1,035,880 | $1,036,527 | $1,300,325 | $1,933,532 | $708,622 | $2,698,445 | $1,589,063 |
| Zinc sulphide | $4,237 | $3,869 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $871 | $5,593 | $55,631 | $35,614 | $34,743 | $461,116 | $144,919 |
| Total | $1,040,988 | $1,045,989 | $1,355,956 | $1,969,146 | $743,365 | $3,159,561 | $1,733,982 |
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