| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | May | 20 |
| 2023 | Mar | 10 |
| 2023 | Mar | 50 |
| 2022 | Mar | 60 |
| 2021 | Jan | 60 |
| 2020 | Jan | 60 |
| 2019 | May | 30 |
| 2019 | Jan | 35 |
| 2018 | Jan | 30 |
| 2017 | May | 35 |
| 2017 | Feb | 25 |
| 2013 | May | 13 |
| 2012 | May | 13 |
| 2011 | May | 10 |
| 2009 | Nov | 15 |
| 2006 | Dec | 10 |
| 2006 | Jan | 10 |
| 1999 | Feb | - |
| 1998 | Feb | 25 |