| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jul | 25 |
| 2024 | Sep | 20 |
| 2023 | Aug | 20 |
| 2022 | Aug | 20 |
| 2021 | Aug | 20 |
| 2020 | Sep | 10 |
| 2019 | May | 50 |
| 2018 | May | 20 |
| 2016 | May | 35 |
| 2015 | Jun | 35 |
| 2014 | May | 30 |
| 2013 | Apr | 30 |
| 2012 | Jul | 500 |
| 2011 | May | 500 |
| 2010 | May | 30 |
| 2009 | Jul | 30 |
| 2008 | May | 30 |
| 2006 | Jun | 20 |
| 2000 | May | 30 |
| 1998 | Jul | 15 |