| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 15 |
| 2024 | May | 5 |
| 2023 | May | 5 |
| 2022 | May | 5 |
| 2021 | Jun | 35 |
| 2020 | Feb | 30 |
| 2019 | May | 30 |
| 2018 | May | 30 |
| 2017 | Mar | 30 |
| 2016 | Mar | 20 |
| 2015 | May | 35 |
| 2014 | May | 35 |
| 2013 | May | 35 |
| 2012 | Aug | 23 |
| 2011 | Nov | 13 |
| 2011 | Jul | 20 |
| 2010 | Oct | 10 |
| 2010 | May | 10 |
| 2010 | Jan | 7 |
| 2009 | Sep | 10 |
| 2008 | Aug | 12 |
| 2007 | Jun | 10 |