| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 510 |
| 2024 | May | 510 |
| 2023 | May | 400 |
| 2022 | May | 150 |
| 2021 | May | 95 |
| 2020 | Feb | 95 |
| 2019 | May | 95 |
| 2018 | May | 95 |
| 2017 | May | 100 |
| 2016 | Mar | 10 |
| 2016 | Mar | 55 |
| 2015 | May | 35 |
| 2014 | Jun | 53 |
| 2013 | Jun | 53 |
| 2012 | Sep | 40 |
| 2011 | May | 35 |
| 2010 | Oct | 25 |
| 2010 | May | 50 |
| 2008 | Jun | 40 |
| 2007 | Oct | 15 |
| 2007 | May | 20 |
| 2006 | Oct | 15 |
| 2006 | Jun | 18 |
| 2006 | Mar | 10 |
| 2005 | Oct | 8 |
| 2005 | Jun | 13 |
| 2005 | Feb | 10 |
| 2004 | Oct | 8 |
| 2004 | May | 15 |
| 2003 | Oct | 8 |
| 2003 | Jun | 15 |
| 2002 | Jun | 10 |
| 2001 | Jun | 3 |
| 2000 | Apr | 13 |
| 1999 | Jul | 15 |
| 1999 | Mar | 13 |