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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $1,080,935 | $875,974 | $966,544 | $1,439,076 | $1,283,213 | $1,271,602 | $649,411 |
| Zinc sulphide | | $2,417 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | | $94,844 | $139,459 | $311,779 | $189,163 | $190,481 | $372,291 |
| Total | $1,080,935 | $973,235 | $1,106,003 | $1,750,855 | $1,472,376 | $1,462,083 | $1,021,702 |
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