|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium sulphides | $315,621 | $270,924 | $484,230 | $256,721 | $381,463 | $338,950 | $250,953 |
| Zinc sulphide | $453,247 | $1,021,153 | | | | | |
| Cadmium sulphide | $88,098 | $61,302 | | | | | |
| Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ... | $1,786,824 | $1,798,363 | $3,691,652 | $4,939,540 | $5,404,126 | $8,897,075 | $10,806,931 |
| Total | $2,643,790 | $3,151,742 | $4,175,882 | $5,196,261 | $5,785,589 | $9,236,025 | $11,057,884 |
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