Commodity20052006200720082009
Disodium sulphate$136 $1,822$841$1,511
Sulphates of magnesium$300$247$289$438 
Sulphates of aluminium $67   
Sulphates of nickel    $98
Sulphates of copper $217 $1,576$401
Sulphates (excl. of 2833.21-2833.27)$99$412$175$950$379
Alums$1,798$549$75$141$261
Peroxosulphates (persulphates)$180 $66  
Total$2,513$1,492$2,427$3,946$2,650