| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 150 |
| 2024 | May | 150 |
| 2023 | May | 175 |
| 2022 | May | 150 |
| 2021 | Jun | 50 |
| 2021 | May | 100 |
| 2013 | May | 10 |
| 2009 | Jun | 35 |
| 2008 | Jun | 25 |
| 2007 | Jun | 40 |
| 2006 | Jun | 40 |
| 2005 | Jun | 40 |
| 2004 | Jun | 36 |
| 2003 | Jun | 20 |
| 2002 | Jun | 10 |
| 2001 | Jul | - |
| 2000 | Jun | 35 |
| 1999 | May | 30 |
| 1998 | Jun | 30 |