| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 250 |
| 2025 | Feb | 150 |
| 2024 | May | 250 |
| 2024 | Jan | 150 |
| 2023 | May | 200 |
| 2023 | Jan | 150 |
| 2022 | May | 200 |
| 2022 | Feb | 150 |
| 2021 | Apr | 150 |
| 2021 | Feb | 150 |
| 2020 | Feb | 275 |
| 2019 | Apr | 125 |
| 2019 | Feb | 150 |
| 2018 | May | 125 |
| 2018 | Feb | 100 |
| 2017 | May | 75 |
| 2017 | Feb | 100 |
| 2016 | Mar | 50 |
| 2016 | Feb | 100 |
| 2015 | May | 50 |
| 2015 | Jan | 75 |
| 2014 | Apr | 50 |
| 2014 | Jan | 75 |
| 2013 | Apr | 75 |
| 2013 | Feb | 50 |
| 2012 | May | 100 |
| 2012 | Feb | 100 |
| 2011 | Apr | 50 |
| 2011 | Feb | 75 |
| 2010 | May | 100 |
| 2009 | May | 100 |
| 2008 | May | 100 |
| 2007 | May | 75 |
| 2006 | May | 60 |
| 2006 | Mar | 120 |
| 2005 | Apr | 100 |
| 2004 | May | 125 |
| 2003 | May | 100 |
| 2002 | May | 75 |
| 2001 | Jun | 70 |
| 2000 | May | 10 |
| 2000 | Jan | - |
| 1999 | May | 30 |
| 1999 | Jan | 30 |
| 1998 | Jul | 45 |
| 1997 | Jun | 20 |
| 1997 | Mar | 20 |