| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 60 |
| 2024 | May | 100 |
| 2023 | May | 100 |
| 2021 | May | 100 |
| 2020 | Aug | 100 |
| 2019 | May | 100 |
| 2018 | May | 100 |
| 2017 | May | 100 |
| 2015 | Jul | 250 |
| 2015 | May | 250 |
| 2015 | Jan | 250 |
| 2014 | Nov | 250 |
| 2014 | Aug | 100 |
| 2014 | Jun | 100 |
| 2014 | Feb | 100 |
| 2013 | Nov | 100 |
| 2013 | Jul | 100 |
| 2013 | May | 100 |
| 2013 | Jan | 100 |
| 2012 | Oct | 100 |
| 2012 | Jul | 100 |
| 2012 | May | 100 |
| 2012 | Jan | 100 |
| 2011 | Oct | 100 |
| 2011 | Jul | 100 |
| 2011 | May | 100 |
| 2011 | Jan | 100 |
| 2010 | Nov | 100 |
| 2010 | Aug | 100 |
| 2010 | May | 100 |
| 2010 | Jan | 100 |
| 2009 | Oct | 100 |
| 2009 | Jul | 100 |
| 2009 | Jul | 100 |
| 2009 | Jun | 100 |
| 2009 | Jan | 100 |
| 2008 | Oct | 100 |
| 2008 | Jun | 400 |
| 2008 | Jan | 400 |
| 2007 | Nov | 350 |
| 2007 | Jul | 100 |
| 2007 | Jul | 100 |
| 2007 | Apr | 180 |
| 2007 | Feb | 40 |
| 2006 | Nov | 40 |
| 2006 | Aug | 40 |
| 2006 | Jun | 260 |
| 2005 | Oct | 40 |
| 2005 | Jun | 20 |
| 2004 | Jul | 10 |
| 2002 | Jul | - |
| 2001 | Jun | - |