Commodity200520072008200920102011
Disodium sulphate $1,265   $3,405
Sodium sulphates other than disodium sulphate$1,091   $27,969$106,458
Sulphates of aluminium$503$151   $41,503
Sulphates of copper $14$747$558$7,105$602
Sulphates (excl. of 2833.21-2833.27)$986   $11,131 
Alums $697    
Total$2,580$2,127$747$558$46,205$151,968