|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Sodium sulphates other than disodium sulphate | $5,527 | | | |
| Sulphates of magnesium | | | | $852 |
| Sulphates of aluminium | $35,090 | $29,141 | $97,004 | $53,368 |
| Sulphates of nickel | | | | $16,224 |
| Sulphates of copper | $903 | | $189 | $776 |
| Sulphates of zinc | $1,094 | $1,125 | | |
| Sulphates (excl. of 2833.21-2833.27) | $351 | $2,014 | $833 | $395 |
| Alums | | | $5,905 | |
| Peroxosulphates (persulphates) | | $574 | | |
| Total | $42,965 | $32,854 | $103,931 | $71,615 |
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