Commodity20052006200920102011
Sulphates of aluminium$7,000    
Sulphates of chromium $3,998   
Sulphates of copper  $22,320$51,800 
Sulphates of barium    $50
Sulphates (excl. of 2833.21-2833.27)  $379 $836
Total$7,000$3,998$22,699$51,800$886