| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 50 |
| 2024 | Apr | 550 |
| 2023 | Apr | 270 |
| 2022 | Apr | 20 |
| 2018 | May | 185 |
| 2017 | May | 210 |
| 2016 | May | 40 |
| 2012 | May | 20 |
| 2011 | May | 120 |
| 2010 | May | 120 |
| 2008 | Aug | 120 |
| 2008 | May | 50 |
| 2007 | May | 120 |
| 2006 | May | 90 |
| 2006 | Jan | 30 |
| 2005 | May | 120 |
| 2004 | May | 50 |
| 2003 | May | 35 |
| 2002 | May | 20 |
| 2001 | May | 25 |
| 2000 | Jul | 30 |
| 1999 | Jul | 35 |
| 1998 | May | 25 |
| 1997 | Jul | 25 |