| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 75 |
| 2025 | May | 75 |
| 2024 | Nov | 75 |
| 2024 | May | 130 |
| 2023 | May | 130 |
| 2022 | May | 75 |
| 2021 | Jun | 50 |
| 2020 | Mar | 25 |
| 2019 | Nov | 125 |
| 2019 | May | 50 |
| 2018 | May | 75 |
| 2017 | Jun | 125 |
| 2016 | Mar | 110 |
| 2015 | May | 110 |
| 2014 | Jun | 100 |
| 2013 | May | 90 |
| 2012 | Aug | 40 |
| 2011 | Oct | 30 |
| 2011 | Jul | 40 |
| 2010 | Jul | 30 |
| 2009 | Oct | 50 |
| 2009 | Jun | 130 |
| 2008 | Feb | 40 |
| 2007 | Oct | 80 |
| 2007 | Mar | 40 |
| 2006 | Sep | 60 |
| 2006 | Mar | 35 |
| 2005 | Oct | 50 |
| 2005 | Apr | 25 |
| 2004 | Oct | 50 |
| 2004 | Aug | 25 |
| 2004 | Jan | 50 |
| 2003 | Jun | 60 |
| 2002 | Oct | 25 |
| 2001 | Dec | 55 |
| 2000 | Dec | 41 |
| 2000 | Jan | 71 |
| 1999 | Jul | 30 |
| 1998 | Aug | 20 |
| 1998 | Mar | 25 |
| 1997 | Feb | 25 |