| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 250 |
| 2024 | Apr | 250 |
| 2023 | Apr | 250 |
| 2022 | Apr | 300 |
| 2021 | Apr | 300 |
| 2020 | May | 250 |
| 2019 | Apr | 250 |
| 2018 | Apr | 250 |
| 2017 | Apr | 250 |
| 2017 | Apr | 125 |
| 2016 | Apr | 250 |
| 2015 | Apr | 150 |
| 2014 | Oct | 100 |
| 2014 | Apr | 140 |
| 2013 | Oct | 100 |
| 2013 | Apr | 130 |
| 2012 | Oct | 100 |
| 2012 | Apr | 120 |
| 2011 | Oct | 100 |
| 2011 | Apr | 110 |
| 2010 | Oct | 90 |
| 2010 | Apr | 100 |
| 2009 | Oct | 80 |
| 2009 | Apr | 160 |
| 2008 | Apr | 160 |
| 2007 | Apr | 80 |
| 2006 | Apr | 40 |
| 2005 | May | 10 |
| 2002 | Jun | 100 |
| 2001 | Jun | - |
| 2000 | Apr | 60 |
| 1999 | Jun | 60 |
| 1998 | Jun | 50 |
| 1997 | Jun | 45 |