| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 700 |
| 2024 | May | 550 |
| 2023 | Apr | 425 |
| 2022 | May | 550 |
| 2021 | May | 500 |
| 2020 | May | 400 |
| 2019 | May | 400 |
| 2018 | May | 400 |
| 2017 | May | 350 |
| 2016 | May | 260 |
| 2015 | May | 225 |
| 2014 | May | 25 |
| 2014 | May | 160 |
| 2013 | May | 160 |
| 2012 | May | 160 |
| 2011 | May | 200 |
| 2010 | May | 200 |
| 2009 | May | 160 |
| 2008 | May | 135 |
| 2007 | May | 100 |
| 2006 | May | 60 |
| 2005 | Jun | 50 |
| 2004 | Jun | 30 |
| 2003 | Jun | 25 |
| 2002 | May | 18 |
| 2001 | Jun | 12 |
| 2000 | Apr | 12 |
| 1999 | Jun | 12 |