| Year | Month | Dividend (%) |
|---|---|---|
| 2024 | Aug | 5 |
| 2023 | Jul | 5 |
| 2022 | Aug | 5 |
| 2021 | Jul | 10 |
| 2020 | Jul | 25 |
| 2019 | Aug | 25 |
| 2018 | Aug | 25 |
| 2017 | May | 200 |
| 2016 | May | 125 |
| 2015 | Jun | 25 |
| 2014 | May | 25 |
| 2013 | Apr | 20 |
| 2012 | Apr | 20 |
| 2011 | May | 20 |
| 2010 | May | 15 |
| 2009 | Aug | 10 |
| 2008 | Aug | 20 |
| 2007 | Aug | 15 |
| 2006 | May | 12 |
| 2005 | Jul | 10 |
| 2002 | Aug | - |
| 2000 | Jan | 10 |
| 1999 | Jul | 5 |