Commodity200520062007200820092010
Disodium sulphate$3,420$5,578$2,851$23,418$20,218$32,612
Sodium sulphates other than disodium sulphate$108,645$173,914$281,679$357,575$105,059$36,970
Sulphates of magnesium$23,920$36,304$7,401$9,311$154,932$290,256
Sulphates of aluminium$615,854$846,166$203,671$1,497,600$2,595,870$2,336,683
Sulphates of chromium$32,585$79,992$46,385   
Sulphates of nickel  $4,824$1,737  
Sulphates of copper$10,132$11,244$9,956$18,661$14,615$28,308
Sulphates of zinc$17,205$10,894$8,040   
Sulphates of barium$236  $13,473  
Sulphates (excl. of 2833.21-2833.27)$35,942$8,085$15,732$178,489$144,477$149,977
Alums $3,050 $1,824$3,649 
Peroxosulphates (persulphates)$21     
Total$847,960$1,175,227$580,539$2,102,088$3,038,820$2,874,806