| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 300 |
| 2024 | May | 300 |
| 2023 | May | 120 |
| 2022 | May | 30 |
| 2021 | May | 180 |
| 2020 | Feb | 120 |
| 2019 | May | 120 |
| 2018 | Apr | 115 |
| 2017 | May | 115 |
| 2016 | Mar | 115 |
| 2015 | May | 100 |
| 2014 | Apr | 100 |
| 2013 | May | 40 |
| 2012 | May | 10 |
| 2011 | May | 20 |
| 2010 | Apr | 40 |
| 2008 | Apr | 40 |
| 2007 | Apr | 18 |
| 2004 | Jul | 10 |
| 2003 | Oct | 10 |
| 2002 | May | 10 |
| 2001 | May | 10 |
| 2000 | May | 20 |
| 1999 | Jul | 20 |
| 1998 | Jun | 20 |