Commodity20052006200720082009
Disodium sulphate  $436  
Sodium sulphates other than disodium sulphate  $84$1,230$878
Sulphates of magnesium$164$456$2,048$671$763
Sulphates of aluminium$11,481$6,007$13,604$14,854$22,921
Sulphates of copper$490$2,327$1,513$1,692$3,621
Sulphates of zinc$77$538$837$11$353
Sulphates of barium  $505$1,738 
Sulphates (excl. of 2833.21-2833.27)$20,662$1,041$1,089$22,107$2,106
Alums $27$16$72$77
Total$32,874$10,396$20,132$42,375$30,719