Commodity200520062007200820092010
Disodium sulphate$885$3,502 $92$215$6,968
Sodium sulphates other than disodium sulphate$8,744$18,448$19,803$14,123$9,407$15,299
Sulphates of magnesium$3,028$11,812$3,207$1,630$5,173$3,420
Sulphates of aluminium$64,233$612,514$577,111$626,518$10,620$8,138
Sulphates of chromium$1,009     
Sulphates of nickel $47  $92 
Sulphates of copper$242,881$320,225$99,669$361,463$221,500$288,016
Sulphates of zinc$178$86$347   
Sulphates of barium  $2,178 $1,036 
Sulphates (excl. of 2833.21-2833.27)$8,808$18,827$10,439$39,451$13,003$10,556
Alums$2,234$324$397$336$985 
Peroxosulphates (persulphates) $183$126 $323 
Total$332,000$985,968$713,277$1,043,613$262,354$332,397