| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 150 |
| 2025 | Jan | 125 |
| 2024 | Oct | 220 |
| 2024 | Apr | 150 |
| 2024 | Jan | 100 |
| 2023 | Oct | 200 |
| 2023 | Apr | 200 |
| 2022 | Dec | 150 |
| 2022 | Feb | 120 |
| 2021 | Oct | 80 |
| 2021 | Apr | 60 |
| 2021 | Mar | 60 |
| 2020 | Oct | 60 |
| 2019 | Oct | 50 |
| 2019 | May | 70 |
| 2018 | Oct | 50 |
| 2018 | Apr | 60 |
| 2017 | Oct | 50 |
| 2017 | Apr | 60 |
| 2016 | Oct | 40 |
| 2016 | Apr | 60 |
| 2015 | Oct | 40 |
| 2015 | Apr | 60 |
| 2014 | Oct | 40 |
| 2014 | Apr | 40 |
| 2013 | Oct | 30 |
| 2013 | May | 40 |
| 2012 | Oct | 30 |
| 2012 | May | 40 |
| 2011 | Nov | 25 |
| 2011 | Apr | 40 |
| 2010 | Oct | 25 |
| 2010 | Apr | 40 |
| 2009 | Oct | 20 |
| 2009 | May | 40 |
| 2008 | Oct | 10 |
| 2008 | May | 40 |
| 2007 | Dec | 10 |
| 2007 | Jun | 20 |
| 2006 | Dec | 10 |
| 2006 | Jul | 20 |
| 2005 | Nov | 10 |
| 2005 | Jun | 15 |
| 2004 | Nov | 10 |
| 2004 | Jun | 15 |
| 2003 | Nov | 10 |
| 2003 | Jun | 8 |
| 2002 | Nov | 10 |
| 2002 | Jun | 8 |
| 2002 | May | 10 |
| 2001 | Jun | 16 |
| 2001 | Mar | - |
| 2000 | Sep | 12 |
| 1997 | Sep | 25 |