|
| Commodity | 2005 | 2006 | 2010 |
| Sodium sulphates other than disodium sulphate | | $1,269 | |
| Sulphates of magnesium | | | $814 |
| Sulphates of aluminium | $31,785 | $33,727 | $52,118 |
| Sulphates of copper | $98 | | |
| Sulphates of zinc | | | $1,192 |
| Sulphates of barium | | | $59,909 |
| Sulphates (excl. of 2833.21-2833.27) | $1,566 | $1,880 | $9,137 |
| Alums | | | $421 |
| Total | $33,449 | $36,876 | $123,591 |
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