| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2024 | May | 200 |
| 2023 | May | 200 |
| 2022 | May | 200 |
| 2021 | Jun | 100 |
| 2020 | Mar | 100 |
| 2019 | May | 100 |
| 2018 | May | 150 |
| 2017 | May | 100 |
| 2016 | May | 60 |
| 2007 | Mar | 65 |
| 2006 | May | 60 |
| 2005 | May | 150 |
| 2004 | Oct | 100 |
| 2004 | May | 225 |
| 2003 | Aug | 150 |
| 2002 | Jul | 55 |
| 2001 | May | 55 |
| 2000 | Apr | 50 |
| 1999 | Jun | 25 |
| 1998 | Jul | 45 |
| 1997 | Jul | 50 |