| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 700 |
| 2024 | May | 700 |
| 2023 | May | 400 |
| 2022 | May | 300 |
| 2021 | May | 50 |
| 2020 | Feb | 125 |
| 2019 | May | 125 |
| 2018 | May | 25 |
| 2013 | May | 25 |
| 2012 | May | 250 |
| 2011 | May | 250 |
| 2010 | May | 250 |
| 2009 | May | 250 |
| 2008 | May | 300 |
| 2007 | May | 250 |
| 2006 | May | 135 |
| 2005 | Jul | 90 |
| 2004 | May | 40 |
| 2003 | Jun | 10 |
| 2002 | Jun | - |
| 2001 | Jun | - |
| 1999 | May | 10 |
| 1998 | Jun | 10 |
| 1997 | Jun | 20 |