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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $730,870 | $2,644,057 | $2,676,364 | $9,299,846 | $4,979,912 | $10,575,121 | $12,011,256 |
| Zinc sulphide | $10,643 | $1,808 | | | | | |
| Cadmium sulphide | $122 | $38,392 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $92,268 | $76,571 | $266,444 | $719,573 | $947,453 | $902,384 | $3,479,195 |
| Total | $833,903 | $2,760,828 | $2,942,808 | $10,019,419 | $5,927,365 | $11,477,505 | $15,490,451 |
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