| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 45 |
| 2024 | Apr | 45 |
| 2023 | May | 60 |
| 2022 | Apr | 50 |
| 2021 | Apr | 23 |
| 2020 | Mar | 45 |
| 2019 | May | 35 |
| 2018 | May | 35 |
| 2017 | May | 30 |
| 2016 | Feb | 10 |
| 2015 | Apr | 18 |
| 2015 | Feb | 15 |
| 2014 | May | 25 |
| 2014 | Jan | 20 |
| 2013 | May | 25 |
| 2013 | Jan | 15 |
| 2012 | May | 15 |
| 2012 | Jan | 15 |
| 2011 | May | 25 |
| 2010 | Aug | 10 |
| 2010 | Mar | - |
| 2004 | Apr | 10 |