| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 50 |
| 2025 | May | 50 |
| 2025 | Jan | 50 |
| 2024 | Oct | 100 |
| 2024 | May | 75 |
| 2024 | Mar | 150 |
| 2023 | Oct | 75 |
| 2023 | May | 50 |
| 2022 | Oct | 50 |
| 2022 | May | 75 |
| 2021 | Oct | 50 |
| 2021 | Jun | 70 |
| 2021 | Feb | 30 |
| 2019 | May | 50 |
| 2018 | May | 100 |
| 2018 | Mar | 50 |
| 2017 | May | 100 |
| 2017 | Jan | 100 |
| 2015 | May | 15 |
| 2014 | May | 30 |
| 2013 | May | 50 |
| 2012 | May | 50 |
| 2011 | May | 50 |
| 2010 | Oct | 50 |
| 2010 | May | 50 |
| 2009 | May | 100 |
| 2008 | Apr | 80 |
| 2007 | May | 30 |
| 2003 | Aug | 10 |
| 1998 | Jul | 5 |
| 1997 | Aug | 35 |