| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 300 |
| 2024 | May | 250 |
| 2023 | May | 200 |
| 2022 | May | 150 |
| 2021 | Jul | 100 |
| 2020 | Jun | 40 |
| 2020 | Jan | 60 |
| 2019 | May | 100 |
| 2018 | Aug | 40 |
| 2018 | Mar | 60 |
| 2017 | Jun | 100 |
| 2016 | Mar | 100 |
| 2015 | May | 100 |
| 2014 | May | 100 |
| 2013 | May | 100 |
| 2012 | May | 100 |
| 2011 | May | 100 |
| 2010 | Jul | 100 |
| 2009 | Jul | 100 |
| 2008 | Jun | 100 |
| 2007 | Oct | 100 |
| 2007 | Jul | 100 |