Commodity2005200620072008
Disodium sulphate$49 $464 
Sodium sulphates other than disodium sulphate$75$3,699$56 
Sulphates of magnesium$379$715$740$418
Sulphates of copper $21$36 
Sulphates of zinc$254$868  
Sulphates (excl. of 2833.21-2833.27)$663$5,726$5,990$2,429
Alums  $65$73
Total$1,420$11,029$7,351$2,920