| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 50 |
| 2024 | Apr | 50 |
| 2023 | Apr | 50 |
| 2020 | Jun | 20 |
| 2019 | Apr | 50 |
| 2016 | May | 20 |
| 2015 | May | 40 |
| 2014 | May | 55 |
| 2013 | May | 55 |
| 2012 | May | 45 |
| 2011 | May | 80 |
| 2010 | May | 75 |
| 2009 | May | 90 |
| 2008 | May | 105 |
| 2007 | May | 95 |
| 2006 | May | 75 |
| 2005 | Jun | 55 |
| 2004 | May | 40 |
| 2003 | Jul | 10 |
| 2003 | Apr | 20 |
| 2002 | Jul | 45 |
| 2001 | Jun | 50 |
| 2000 | Apr | 55 |
| 1999 | May | 55 |