| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 100 |
| 2024 | Aug | 25 |
| 2024 | May | 100 |
| 2023 | May | 80 |
| 2022 | May | 170 |
| 2021 | Jul | 50 |
| 2021 | May | 135 |
| 2021 | Jan | 50 |
| 2015 | May | 10 |
| 2014 | May | 10 |
| 2014 | Mar | 15 |
| 2013 | May | 25 |
| 2012 | May | 25 |
| 2011 | May | 25 |
| 2010 | May | 25 |
| 2009 | Jun | 25 |
| 2008 | Jun | 25 |
| 2008 | Feb | 15 |
| 2007 | Jun | 20 |
| 2007 | Mar | 10 |
| 2006 | Jun | 10 |