| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 1,500 |
| 2024 | May | 1,500 |
| 2023 | May | 1,500 |
| 2022 | May | 1,500 |
| 2021 | May | 1,000 |
| 2020 | Feb | 800 |
| 2019 | May | 800 |
| 2018 | May | 500 |
| 2017 | May | 500 |
| 2016 | Mar | 500 |
| 2015 | May | 1,000 |
| 2014 | May | 1,000 |
| 2013 | May | 750 |
| 2012 | May | 650 |
| 2011 | May | 500 |
| 2010 | May | 300 |
| 2009 | Jun | 300 |
| 2008 | Jun | 200 |
| 2007 | Mar | 100 |
| 2006 | Jun | 100 |
| 2005 | Jun | 80 |
| 2004 | May | 80 |
| 2003 | May | 60 |