| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2025 | Jan | 50 |
| 2024 | May | 150 |
| 2024 | Jan | 50 |
| 2023 | May | 150 |
| 2023 | Jan | 25 |
| 2020 | May | 50 |
| 2020 | Jan | 50 |
| 2019 | May | 125 |
| 2019 | Feb | 50 |
| 2018 | Apr | 125 |
| 2018 | Jan | 50 |
| 2017 | May | 125 |
| 2017 | Jan | 50 |
| 2016 | Jun | 125 |
| 2016 | Feb | 25 |
| 2015 | May | 125 |
| 2015 | Jan | 25 |
| 2014 | Apr | 125 |
| 2014 | Jan | 25 |
| 2013 | Apr | 100 |
| 2013 | Jan | 25 |
| 2012 | Apr | 125 |
| 2012 | Jan | 25 |
| 2011 | Apr | 125 |
| 2011 | Jan | 25 |
| 2010 | May | 10 |
| 2009 | Apr | 100 |
| 2008 | Apr | 100 |
| 2007 | May | 100 |
| 2006 | May | 80 |
| 2005 | May | 80 |
| 1997 | Aug | 25 |