| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 125 |
| 2025 | May | 125 |
| 2024 | Nov | 125 |
| 2024 | May | 115 |
| 2023 | Nov | 108 |
| 2023 | May | 108 |
| 2022 | Oct | 108 |
| 2022 | May | 108 |
| 2021 | Nov | 108 |
| 2021 | May | 103 |
| 2020 | Nov | 103 |
| 2020 | May | 103 |
| 2019 | Oct | 63 |
| 2019 | May | 63 |
| 2018 | Apr | 120 |
| 2017 | May | 120 |
| 2016 | Apr | 110 |
| 2015 | Apr | 80 |
| 2014 | May | 63 |
| 2013 | May | 38 |
| 2012 | Sep | 33 |
| 2011 | Jul | 30 |
| 2010 | Jul | 20 |
| 2009 | Apr | 15 |
| 2008 | Apr | 60 |
| 2007 | Jan | 100 |
| 2006 | Mar | 120 |
| 2006 | Jan | 100 |
| 2005 | Mar | 10 |
| 2005 | Jan | 80 |
| 2004 | Mar | 10 |
| 2004 | Jan | 70 |
| 2003 | Mar | 65 |
| 2002 | Feb | 55 |
| 2001 | May | 54 |
| 2000 | Mar | 54 |
| 1999 | Sep | 150 |
| 1999 | May | 34 |
| 1998 | Oct | 20 |
| 1997 | Oct | 20 |
| 1997 | May | 30 |