| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 25 |
| 2024 | May | 25 |
| 2023 | May | 25 |
| 2022 | May | 50 |
| 2021 | Jun | 25 |
| 2020 | Mar | 15 |
| 2020 | Mar | 25 |
| 2019 | May | 25 |
| 2018 | May | 25 |
| 2017 | May | 23 |
| 2016 | Mar | 25 |
| 2015 | May | 22 |
| 2014 | May | 10 |
| 2014 | Mar | 13 |
| 2013 | May | 22 |
| 2012 | May | 22 |
| 2011 | Aug | 18 |
| 2010 | Oct | 18 |
| 2009 | Jul | 10 |
| 2008 | Jul | 10 |
| 2007 | Oct | 10 |
| 2006 | Dec | 10 |
| 2005 | Nov | 10 |
| 2004 | Oct | 10 |
| 2003 | Oct | 10 |
| 2002 | Oct | 10 |
| 2001 | Nov | 10 |
| 2000 | Dec | 15 |
| 1998 | Nov | 40 |
| 1997 | Dec | 40 |