Commodity200520062010
Sodium sulphides$3,212,067$2,179,211$4,382,406
Zinc sulphide $3,680,532 
Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ...$535,473$4,296,404$9,296
Total$3,747,540$10,156,147$4,391,702