| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 300 |
| 2025 | May | 600 |
| 2024 | Aug | 200 |
| 2024 | May | 200 |
| 2023 | May | 300 |
| 2022 | May | 300 |
| 2021 | Jun | 125 |
| 2020 | Feb | 75 |
| 2019 | May | 75 |
| 2018 | May | 75 |
| 2017 | Jun | 50 |
| 2016 | Jun | 150 |
| 2015 | May | 250 |
| 2014 | May | 250 |
| 2013 | May | 250 |
| 2012 | May | 200 |
| 2011 | May | 300 |
| 2010 | May | 450 |
| 2009 | Jun | 400 |
| 2008 | May | 300 |
| 2007 | May | 200 |
| 2006 | May | 100 |
| 2005 | May | 100 |
| 2004 | May | 60 |
| 2003 | Jun | 30 |
| 2002 | Jul | 18 |
| 2001 | Jul | 12 |
| 2000 | Aug | 12 |
| 1999 | Jun | 15 |
| 1997 | Aug | 25 |