|
| Commodity | 2005 | 2006 | 2010 |
| Disodium sulphate | $247,833 | $239,382 | $380,343 |
| Sodium sulphates other than disodium sulphate | $974,837 | $412,033 | $72,658 |
| Sulphates of magnesium | $1,750 | | |
| Sulphates of aluminium | $102,118 | $155,500 | $45,040 |
| Sulphates of chromium | $5,040 | $106,706 | |
| Sulphates of nickel | $600 | | |
| Sulphates of copper | $100,310 | $54,471 | $7,200 |
| Sulphates of zinc | $176,223 | $83,293 | |
| Sulphates of barium | $919 | $960 | $12,800 |
| Sulphates (excl. of 2833.21-2833.27) | $1,934,579 | $186,156 | $2,028,764 |
| Alums | $377 | $571 | $1,145 |
| Peroxosulphates (persulphates) | | | $1,500 |
| Total | $3,544,586 | $1,239,072 | $2,549,450 |
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