| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 300 |
| 2024 | May | 225 |
| 2024 | Feb | 150 |
| 2023 | May | 250 |
| 2023 | Jan | 200 |
| 2022 | May | 200 |
| 2022 | May | 250 |
| 2022 | Jan | 200 |
| 2021 | May | 250 |
| 2021 | Feb | 150 |
| 2020 | May | 100 |
| 2020 | Feb | 100 |
| 2019 | May | 125 |
| 2019 | Feb | 125 |
| 2018 | Apr | 125 |
| 2018 | Jan | 100 |
| 2017 | Apr | 100 |
| 2017 | Jan | 100 |
| 2016 | May | 100 |
| 2016 | Feb | 75 |
| 2015 | Apr | 100 |
| 2014 | Sep | 100 |
| 2014 | May | 50 |
| 2013 | May | 125 |
| 2013 | Jan | 75 |
| 2012 | May | 125 |
| 2012 | Jan | 60 |
| 2011 | Apr | 100 |
| 2011 | Jan | 60 |
| 2010 | May | 100 |
| 2010 | Jan | 60 |
| 2009 | May | 100 |
| 2008 | May | 50 |
| 2007 | Apr | 50 |
| 2006 | Apr | 50 |
| 2005 | Apr | 25 |
| 1999 | May | 25 |
| 1998 | May | 25 |
| 1997 | May | 50 |