Commodity20052007200920102011
Sodium sulphides $36,055$22,276$20,186$76,750
Zinc sulphide$126    
Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ...$3,295$4,977   
Total$3,421$41,032$22,276$20,186$76,750