| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 150 |
| 2024 | May | 150 |
| 2023 | May | 125 |
| 2023 | Mar | 25 |
| 2022 | May | 120 |
| 2022 | Mar | 25 |
| 2021 | Jun | 55 |
| 2021 | Mar | 90 |
| 2019 | May | 30 |
| 2019 | Jan | 110 |
| 2018 | May | 30 |
| 2018 | Jan | 105 |
| 2017 | May | 30 |
| 2017 | Feb | 100 |
| 2016 | Mar | 25 |
| 2016 | Jan | 100 |
| 2015 | May | 20 |
| 2015 | Jan | 80 |
| 2014 | May | 15 |
| 2014 | Jan | 55 |
| 2013 | May | 10 |
| 2013 | Jan | 55 |
| 2012 | May | 30 |
| 2012 | Jan | 30 |
| 2011 | May | 35 |
| 2011 | Jan | 25 |
| 2010 | May | 160 |
| 2010 | Jan | 40 |
| 2009 | May | 60 |
| 2008 | May | 40 |