Commodity2005200620072008
Disodium sulphate$20,709$31,690$8,268$169,059
Sodium sulphates other than disodium sulphate $31,815  
Sulphates of magnesium$390$4,326$316$636
Sulphates of aluminium$25,018  $249
Sulphates of copper $93$51$5,076
Sulphates of zinc$557$11$37 
Sulphates of barium$5,904$828$2,759$8,402
Sulphates (excl. of 2833.21-2833.27)$977,300$721,086$750,977$782,304
Alums$252$463$511$901
Peroxosulphates (persulphates)$2,162 $1,245$608
Total$1,032,292$790,312$764,164$967,235