| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jun | 12 |
| 2025 | May | 150 |
| 2025 | Feb | 50 |
| 2024 | May | 155 |
| 2024 | Feb | 50 |
| 2023 | May | 50 |
| 2023 | Feb | 50 |
| 2022 | May | 50 |
| 2022 | Mar | 50 |
| 2021 | Jun | 12 |
| 2021 | Feb | 48 |
| 2020 | Jun | 35 |
| 2020 | Mar | 25 |
| 2019 | May | 25 |
| 2019 | Mar | 45 |
| 2018 | May | 80 |
| 2017 | May | 80 |
| 2016 | May | 40 |
| 2015 | May | 10 |
| 2014 | May | 10 |
| 2013 | May | 25 |
| 2012 | May | 50 |
| 2011 | Jun | 100 |
| 2010 | May | 100 |
| 2009 | Jun | 120 |
| 2008 | Jul | 65 |
| 2008 | Feb | 55 |
| 2007 | Jun | 80 |
| 2007 | Jan | 40 |
| 2006 | Jul | 70 |
| 2006 | Jan | 30 |
| 2005 | Jul | 85 |
| 2004 | Dec | 15 |
| 2004 | Aug | 20 |
| 2003 | Aug | 20 |
| 2002 | Sep | - |
| 2001 | Jul | 10 |
| 2000 | Jul | 20 |
| 1999 | Jul | - |
| 1998 | Jul | 20 |
| 1997 | Aug | 20 |