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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $6,413,200 | $6,257,014 | $3,827,011 | $4,435,560 | $3,551,793 | $4,488,732 | $4,634,049 |
| Zinc sulphide | $8,380,801 | $1,154,273 | | | | | |
| Cadmium sulphide | $140,680 | $109,878 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $2,108,342 | $478,309 | $9,348,787 | $14,126,182 | $2,066,580 | $2,058,292 | $2,278,239 |
| Total | $17,043,023 | $7,999,474 | $13,175,798 | $18,561,742 | $5,618,373 | $6,547,024 | $6,912,288 |
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