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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Disodium sulphate | | $19,770 | $16,840 | | $35,447 | $124,841 | |
| Sodium sulphates other than disodium sulphate | | $40,910 | $13,005 | $19,175 | $4,775 | | |
| Sulphates of aluminium | $706,570 | $868,623 | $914,857 | $1,040,535 | $1,032,145 | $1,184,078 | $865,898 |
| Sulphates of copper | | | | | | $7,608 | $9,133 |
| Sulphates of zinc | | $1,386 | | | | | |
| Sulphates (excl. of 2833.21-2833.27) | | $5,000 | $29,115 | | $64,436 | $24,800 | $4,000 |
| Alums | $74,775 | $90,359 | $289,350 | $307,187 | $4,400 | | $22,249 |
| Total | $781,345 | $1,026,048 | $1,263,167 | $1,366,897 | $1,141,203 | $1,341,327 | $901,280 |
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