|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Sulphates of magnesium | | | $8 | | |
| Sulphates of aluminium | $1,922,194 | $3,048,074 | $3,798,526 | $5,222,340 | $53,800 |
| Sulphates of chromium | $9,477,924 | $12,503,283 | $11,798,048 | $1,933,378 | |
| Sulphates of copper | $755,730 | $51,987 | $2,337 | | |
| Sulphates of zinc | $19,610 | | $290,096 | | |
| Sulphates of barium | $210 | | | | |
| Sulphates (excl. of 2833.21-2833.27) | $604 | | | $9,223,826 | $10,668,237 |
| Alums | $22 | | | | |
| Peroxosulphates (persulphates) | | $49,280 | | | |
| Total | $12,176,294 | $15,652,624 | $15,889,015 | $16,379,544 | $10,722,037 |
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