| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 30 |
| 2023 | Sep | 25 |
| 2022 | Jun | 20 |
| 2021 | Jun | 25 |
| 2020 | Sep | 25 |
| 2018 | Apr | 800 |
| 2018 | Jan | 50 |
| 2014 | May | 5 |
| 2012 | May | 10 |
| 2011 | May | 10 |
| 2010 | May | 8 |
| 2009 | Jun | 5 |
| 2008 | Jun | 10 |
| 2007 | May | 10 |
| 2004 | Jun | 10 |
| 2003 | Jun | 10 |
| 2002 | Jul | 10 |
| 2000 | May | 20 |
| 1999 | Aug | 25 |
| 1998 | Jun | 10 |
| 1997 | May | 15 |