| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 275 |
| 2025 | May | 525 |
| 2024 | Oct | 275 |
| 2024 | May | 275 |
| 2023 | Oct | 275 |
| 2023 | May | 270 |
| 2022 | Oct | 250 |
| 2022 | May | 270 |
| 2021 | Sep | 250 |
| 2021 | May | 300 |
| 2020 | Oct | 175 |
| 2020 | May | 160 |
| 2019 | Sep | 140 |
| 2019 | May | 150 |
| 2018 | Oct | 125 |
| 2018 | May | 500 |
| 2018 | May | 125 |
| 2017 | Oct | 125 |
| 2017 | May | 100 |
| 2016 | Sep | 125 |
| 2016 | Apr | 100 |
| 2015 | Oct | 125 |
| 2015 | May | 75 |
| 2014 | Sep | 125 |
| 2014 | Apr | 100 |
| 2013 | Oct | 75 |
| 2013 | Apr | 85 |
| 2012 | Oct | 65 |
| 2012 | Apr | 75 |
| 2011 | Oct | 55 |
| 2011 | Apr | 65 |
| 2010 | Oct | 50 |
| 2010 | Jun | 125 |
| 2009 | Oct | 75 |
| 2009 | Apr | 100 |
| 2009 | Jan | 75 |
| 2008 | Apr | 75 |
| 2007 | Oct | 75 |
| 2007 | Mar | 75 |
| 2006 | Oct | 100 |
| 2006 | Apr | 100 |
| 2005 | Sep | 150 |
| 2005 | Apr | 150 |
| 2004 | Oct | 100 |
| 2004 | May | 140 |
| 2003 | Oct | 60 |
| 2003 | May | 90 |
| 2002 | Oct | 50 |
| 2002 | Jun | - |
| 2001 | Nov | 50 |
| 2001 | Jul | 50 |
| 2001 | Apr | 100 |
| 2000 | Apr | 50 |
| 2000 | Jan | 50 |
| 1999 | Jul | 30 |
| 1998 | Nov | 20 |
| 1998 | May | 35 |
| 1997 | May | 30 |