| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 505 |
| 2024 | May | 478 |
| 2023 | Aug | 573 |
| 2022 | Apr | 215 |
| 2021 | Jun | 10 |
| 2020 | Jun | 100 |
| 2019 | May | 100 |
| 2018 | May | 175 |
| 2017 | May | 150 |
| 2016 | May | 150 |
| 2015 | May | 150 |
| 2014 | May | 150 |
| 2013 | May | 150 |
| 2012 | May | 150 |
| 2011 | May | 150 |
| 2010 | May | 125 |
| 2009 | May | 100 |
| 2008 | Jun | 100 |
| 2007 | Jul | 100 |
| 2006 | Oct | 60 |
| 2005 | Aug | 50 |
| 2004 | Jul | 45 |
| 2003 | Jul | 45 |
| 2002 | Jul | 40 |
| 2001 | Aug | 45 |
| 2000 | Aug | 40 |