|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Disodium sulphate | | | | | $9,270 | | |
| Sodium sulphates other than disodium sulphate | | | | $3,579 | $9,690 | $16,980 | $4,402 |
| Sulphates of chromium | | $1,942 | | | | | |
| Sulphates of nickel | | | | | $3,288 | | |
| Sulphates of copper | | | $912 | $7,181 | $4,508 | | $4,828 |
| Sulphates (excl. of 2833.21-2833.27) | $7,353 | | $47 | $1,646 | $49 | $5,170 | $379,792 |
| Alums | | | $70 | $1,278 | $587 | $129 | |
| Total | $7,353 | $1,942 | $1,029 | $13,684 | $27,392 | $22,279 | $389,022 |
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