| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 1,045 |
| 2024 | Apr | 950 |
| 2023 | Apr | 920 |
| 2022 | Apr | 800 |
| 2021 | Apr | 190 |
| 2021 | Apr | 500 |
| 2020 | May | 150 |
| 2020 | May | 250 |
| 2019 | Apr | 250 |
| 2019 | Apr | 250 |
| 2018 | Apr | 250 |
| 2018 | Apr | 250 |
| 2017 | Apr | 250 |
| 2017 | Apr | 180 |
| 2016 | Apr | 150 |
| 2016 | Apr | 180 |
| 2015 | Apr | 150 |
| 2015 | Apr | 180 |
| 2014 | Apr | 150 |
| 2014 | Apr | 200 |
| 2013 | Apr | 330 |
| 2012 | Apr | 130 |
| 2011 | Apr | 100 |
| 2010 | May | 80 |
| 2009 | May | 50 |
| 2008 | May | 50 |
| 2006 | Jun | 75 |
| 2005 | Jun | 225 |
| 2004 | May | 150 |
| 2003 | Sep | 125 |
| 2002 | Aug | 225 |
| 2001 | Jun | 225 |
| 2000 | Jul | 60 |
| 2000 | Mar | 55 |
| 1999 | Nov | 55 |
| 1999 | Aug | 55 |
| 1999 | May | 200 |
| 1998 | Jun | 100 |
| 1997 | Jun | 65 |