Commodity200520062007200820092010
Disodium sulphate  $103  $61
Sodium sulphates other than disodium sulphate  $671$573$170 
Sulphates of magnesium  $13 $1,113$809
Sulphates of aluminium  $65$434$1,217 
Sulphates of copper  $17$433$354$493
Sulphates of barium    $11$1,961
Sulphates (excl. of 2833.21-2833.27)$4,620$2,684$4,158$4,429$4,793$4,312
Alums$62 $140$34$380$405
Peroxosulphates (persulphates)  $87   
Total$4,682$2,684$5,254$5,903$8,038$8,041