| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 300 |
| 2024 | May | 250 |
| 2023 | Jun | 250 |
| 2022 | May | 250 |
| 2021 | May | 250 |
| 2020 | Mar | 250 |
| 2019 | May | 225 |
| 2018 | May | 213 |
| 2017 | May | 200 |
| 2016 | Mar | 175 |
| 2015 | May | 150 |
| 2014 | May | 125 |
| 2013 | May | 113 |
| 2012 | May | 150 |
| 2011 | May | 150 |
| 2010 | May | 150 |
| 2009 | Jul | 100 |
| 2008 | Jun | 150 |
| 2007 | Jun | 25 |
| 2007 | Mar | 150 |
| 2006 | May | 110 |
| 2005 | May | 150 |
| 2004 | Jun | 100 |
| 2003 | Jun | 50 |
| 2002 | Jun | 50 |
| 2001 | Jun | 30 |
| 2000 | Mar | 60 |
| 1999 | May | 45 |
| 1998 | Jul | 40 |