| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Feb | 70 |
| 2024 | Feb | 70 |
| 2023 | May | 50 |
| 2022 | May | 20 |
| 2020 | Jun | 50 |
| 2019 | May | 100 |
| 2018 | May | 20 |
| 2018 | May | 20 |
| 2012 | May | 50 |
| 2011 | May | 200 |
| 2010 | May | 100 |
| 2009 | Jun | 20 |
| 2008 | Jun | 20 |
| 2007 | Jul | 90 |
| 2007 | Feb | 10 |
| 2006 | Jul | 10 |
| 2005 | Aug | 10 |
| 2004 | Jul | 32 |
| 2003 | Jul | 32 |
| 2002 | Jul | 25 |
| 2001 | Jul | 25 |
| 1999 | Jun | 20 |
| 1997 | Jul | 10 |