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| Commodity | 2005 | 2007 | 2008 |
| Disodium sulphate | $1,425,309 | $1,623,760 | $3,641,819 |
| Sodium sulphates other than disodium sulphate | $1,333,342 | $1,507,525 | $1,791,604 |
| Sulphates of magnesium | $291,417 | $707,206 | $489,698 |
| Sulphates of aluminium | $16,765,751 | $1,227,326 | $1,711,495 |
| Sulphates of chromium | $84,498 | $40,642 | |
| Sulphates of nickel | $18,508 | $101,928 | $987,216 |
| Sulphates of copper | $1,593,129 | $1,736,273 | $1,234,542 |
| Sulphates of zinc | $41,591 | $153,057 | |
| Sulphates of barium | $209,979 | $329,670 | $579,138 |
| Sulphates (excl. of 2833.21-2833.27) | $1,504,453 | $2,933,581 | $4,532,718 |
| Alums | $104,059 | $144,022 | $158,174 |
| Peroxosulphates (persulphates) | $48,497 | $180,050 | $151,047 |
| Total | $23,420,533 | $10,685,040 | $15,277,451 |
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