| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 28 |
| 2024 | May | 25 |
| 2023 | May | 22 |
| 2022 | May | 20 |
| 2021 | Jun | 20 |
| 2019 | May | 12 |
| 2016 | May | 5 |
| 2014 | May | 30 |
| 2013 | May | 30 |
| 2012 | Apr | 50 |
| 2011 | May | 30 |
| 2010 | Apr | 10 |
| 2009 | Apr | 10 |
| 2008 | Apr | 35 |
| 2007 | May | 35 |
| 2006 | Jun | 30 |
| 2005 | May | 25 |
| 2004 | Jun | 20 |
| 2003 | Jul | 7 |
| 2002 | Jul | 5 |
| 2001 | Jul | 10 |
| 2000 | Apr | 20 |