| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 150 |
| 2025 | May | 650 |
| 2024 | May | 650 |
| 2023 | May | 425 |
| 2022 | Jul | 250 |
| 2021 | May | 250 |
| 2020 | Feb | 50 |
| 2020 | Feb | 150 |
| 2019 | May | 150 |
| 2018 | May | 150 |
| 2017 | May | 100 |
| 2016 | May | 100 |
| 2015 | May | 100 |
| 2014 | May | 100 |
| 2013 | May | 100 |
| 2012 | Jun | 100 |
| 2011 | Jun | 100 |
| 2010 | Aug | 40 |
| 2010 | Jun | 100 |
| 2009 | Jul | 100 |
| 2008 | Jul | 100 |
| 2007 | Jul | 100 |
| 2006 | Jul | 100 |
| 2005 | Jul | 175 |
| 2004 | Jul | 150 |
| 2003 | Jul | 100 |
| 2002 | Jul | 70 |
| 2001 | Jul | 45 |
| 2000 | Mar | 55 |
| 1999 | Jul | 75 |
| 1998 | Jul | 55 |