Commodity200520062007200820092011
Sodium sulphides$29,057$6,720$27,706$20,937$38 
Sulphides (excl. of sodium/zinc/cadmium); polysulphides, whether or not che ...$143$4,637$24$35 $39
Total$29,200$11,357$27,730$20,972$38$39