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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $990,802 | $829,930 | $1,100,358 | $978,148 | $1,111,597 | $1,066,508 | $1,206,974 |
| Zinc sulphide | $2,029,203 | $1,565,979 | | | | | |
| Cadmium sulphide | $42,552 | $39,605 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,697,999 | $4,175,349 | $5,462,946 | $6,959,102 | $4,370,660 | $7,409,320 | $7,222,881 |
| Total | $5,760,556 | $6,610,863 | $6,563,304 | $7,937,250 | $5,482,257 | $8,475,828 | $8,429,855 |
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