| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 60 |
| 2024 | May | 30 |
| 2024 | Feb | 30 |
| 2023 | May | 40 |
| 2022 | May | 25 |
| 2021 | Jun | 20 |
| 2021 | Feb | 20 |
| 2020 | Jul | 25 |
| 2019 | May | 40 |
| 2019 | Feb | 10 |
| 2018 | Feb | 10 |
| 2017 | May | 30 |
| 2017 | Feb | 20 |
| 2016 | Mar | 20 |
| 2016 | Feb | 10 |
| 2015 | May | 20 |
| 2015 | Jan | 10 |
| 2014 | May | 15 |
| 2014 | Jan | 10 |
| 2012 | May | 10 |
| 2011 | May | 10 |
| 2010 | May | 10 |
| 2009 | Jun | 10 |
| 2008 | Jun | 10 |
| 2004 | Sep | 8 |