|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Sodium sulphates other than disodium sulphate | $23,326 | $15,000 | $8,077 | $29,966 |
| Sulphates of magnesium | | $2,934 | $230 | $136 |
| Sulphates of aluminium | $13,939 | $8,200 | $1,264 | |
| Sulphates of copper | | $283 | $397 | $321 |
| Sulphates of zinc | $3,079 | $3,467 | $2,735 | $4,767 |
| Sulphates of barium | | | $3,014 | $3,863 |
| Sulphates (excl. of 2833.21-2833.27) | $8,740 | $7,768 | $9,866 | $17,507 |
| Alums | | $1,259 | $536 | |
| Peroxosulphates (persulphates) | | | | $39 |
| Total | $49,084 | $38,911 | $26,119 | $56,599 |
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