| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 67 |
| 2025 | Apr | 50 |
| 2024 | Jun | 78 |
| 2023 | Aug | 78 |
| 2022 | Dec | 58 |
| 2021 | Nov | 20 |
| 2021 | Jun | 55 |
| 2020 | Nov | 20 |
| 2020 | Jun | 55 |
| 2019 | May | 40 |
| 2018 | May | 40 |
| 2017 | Jun | 30 |
| 2016 | May | 25 |
| 2015 | May | 22 |
| 2014 | May | 20 |
| 2013 | May | 16 |
| 2012 | May | 15 |
| 2011 | Aug | 15 |
| 2010 | Aug | 12 |
| 2009 | Jul | 12 |
| 2008 | May | 10 |
| 2007 | Apr | 10 |
| 2006 | May | 10 |
| 2005 | Apr | 8 |
| 2004 | May | 8 |