| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2024 | Apr | 185 |
| 2023 | May | 175 |
| 2022 | May | 125 |
| 2020 | Feb | 65 |
| 2019 | May | 65 |
| 2018 | May | 50 |
| 2017 | May | 50 |
| 2016 | May | 50 |
| 2015 | May | 50 |
| 2014 | May | 50 |
| 2013 | May | 60 |
| 2012 | Apr | 60 |
| 2011 | Apr | 60 |
| 2010 | May | 60 |
| 2009 | Jun | 40 |
| 2008 | Apr | 80 |
| 2007 | Apr | 120 |
| 2006 | May | 100 |
| 2005 | Oct | 50 |
| 2005 | Apr | 80 |
| 2004 | May | 25 |
| 2003 | May | 25 |
| 2002 | May | 22 |
| 2001 | Jun | 20 |
| 2000 | May | - |
| 2000 | Feb | 15 |
| 1999 | Jul | 25 |
| 1998 | Jun | 25 |
| 1997 | Jun | 40 |