| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 180 |
| 2024 | May | 153 |
| 2023 | May | 144 |
| 2022 | May | 120 |
| 2021 | Jun | 102 |
| 2020 | Mar | - |
| 2019 | May | 102 |
| 2018 | May | 60 |
| 2018 | Mar | 30 |
| 2017 | May | 81 |
| 2016 | Jun | 9 |
| 2016 | Mar | 63 |
| 2015 | May | 63 |
| 2014 | May | 51 |
| 2013 | May | 42 |
| 2012 | May | 35 |
| 2011 | Jun | 35 |
| 2010 | May | 30 |
| 2009 | Jun | 18 |
| 2008 | Jun | 13 |
| 2007 | Jun | 13 |
| 2006 | May | 13 |
| 2005 | Jun | 10 |
| 2004 | Jun | 7 |
| 2003 | Jul | 7 |
| 2002 | May | 10 |
| 2000 | Mar | 10 |
| 1999 | Jun | 20 |