| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 125 |
| 2024 | Apr | 125 |
| 2023 | May | 100 |
| 2022 | May | 40 |
| 2021 | Jun | 15 |
| 2020 | Jun | 10 |
| 2019 | Jul | 20 |
| 2018 | May | 20 |
| 2017 | Jul | 30 |
| 2016 | Apr | 5 |
| 2016 | Mar | 20 |
| 2015 | May | 15 |
| 2014 | May | 10 |
| 2013 | May | 5 |
| 2012 | Jun | 5 |
| 2011 | May | 5 |
| 2010 | May | 10 |
| 2009 | May | 5 |
| 2008 | May | 10 |
| 2006 | May | 5 |
| 2002 | Jul | - |