| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 110 |
| 2024 | Jul | 100 |
| 2023 | Jul | 80 |
| 2022 | May | 70 |
| 2021 | May | 60 |
| 2020 | Jun | 60 |
| 2019 | May | 13 |
| 2018 | May | 60 |
| 2017 | May | 50 |
| 2016 | Apr | 60 |
| 2015 | Apr | 60 |
| 2014 | Apr | 55 |
| 2013 | Apr | 40 |
| 2012 | Apr | 35 |
| 2011 | Apr | 25 |
| 2010 | Apr | 25 |
| 2009 | Apr | 25 |
| 2008 | May | 13 |
| 2007 | Jun | 50 |
| 2006 | Jun | 50 |
| 2005 | Apr | 50 |
| 2004 | May | 30 |
| 2003 | Apr | 24 |