| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jul | 40 |
| 2025 | Apr | 40 |
| 2024 | Aug | 20 |
| 2024 | Apr | 40 |
| 2023 | May | 40 |
| 2023 | Apr | 80 |
| 2022 | May | 40 |
| 2022 | Apr | 120 |
| 2021 | May | 80 |
| 2021 | Mar | 60 |
| 2020 | Mar | 100 |
| 2019 | May | 40 |
| 2019 | Apr | 40 |
| 2018 | May | 40 |
| 2018 | May | 40 |
| 2017 | Jun | 32 |
| 2017 | Mar | 40 |
| 2016 | May | 25 |
| 2016 | Mar | 40 |
| 2015 | May | 20 |
| 2015 | Mar | 20 |
| 2014 | May | 15 |
| 2014 | May | 15 |
| 2013 | May | 15 |
| 2013 | May | 10 |
| 2012 | May | 25 |
| 2012 | Feb | 25 |
| 2011 | May | 30 |
| 2011 | May | 20 |
| 2010 | Jul | 30 |
| 2009 | Jun | 20 |