| Year | Ratio | Ex Right Date |
| 2018 | 3:2 | Nov 06, 2018 |
| 2017 | 6:32 | Dec 28, 2017 |
| 1996 | 1:1 | Nil |
| 1993 | 1:1 | Sep 03, 1993 |
| 1993 | 1:1 | Sep 03, 1993 |
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