| Year | Month | Dividend (%) |
|---|---|---|
| 2024 | Aug | 10 |
| 2023 | Aug | 20 |
| 2022 | Aug | 30 |
| 2021 | Aug | 30 |
| 2020 | Aug | 18 |
| 2019 | Aug | 18 |
| 2018 | Aug | 18 |
| 2017 | Jul | 15 |
| 2016 | Apr | 15 |
| 2015 | May | 12 |
| 2014 | May | 12 |
| 2013 | May | 9 |
| 2012 | May | 8 |
| 2011 | May | 8 |
| 2010 | May | 8 |
| 2009 | Jun | 8 |
| 2008 | Jun | 8 |
| 2004 | Jun | 5 |
| 2002 | Aug | - |
| 2001 | Jul | 5 |