| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | May | 90 |
| 2025 | May | 140 |
| 2024 | May | 90 |
| 2024 | Feb | 50 |
| 2023 | May | 90 |
| 2022 | May | 80 |
| 2021 | May | 25 |
| 2020 | Jun | 30 |
| 2018 | May | 30 |
| 2017 | May | 50 |
| 2016 | May | 50 |
| 2015 | May | 65 |
| 2014 | May | 65 |
| 2013 | May | 50 |
| 2012 | May | 50 |
| 2011 | May | 125 |
| 2010 | May | 125 |
| 2009 | Jul | 125 |
| 2008 | Jun | 25 |
| 2007 | Dec | 100 |
| 2007 | Mar | 125 |
| 2006 | May | 125 |
| 2005 | May | 125 |
| 2004 | May | 100 |
| 2003 | Jun | 100 |
| 2002 | Jun | 100 |
| 2001 | Jun | 75 |
| 2000 | Mar | 150 |
| 1999 | May | 125 |
| 1998 | Jun | 100 |
| 1997 | Jun | 70 |
