| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 2,700 |
| 2024 | Apr | 2,500 |
| 2023 | Apr | 1,800 |
| 2022 | Apr | 1,200 |
| 2021 | Jun | 900 |
| 2020 | May | 1,200 |
| 2019 | Apr | 1,600 |
| 2018 | Apr | 1,600 |
| 2017 | Apr | 1,500 |
| 2016 | Apr | 700 |
| 2015 | Apr | 500 |
| 2014 | Apr | 240 |
| 2013 | Apr | 160 |
| 2012 | Apr | 150 |
| 2011 | Apr | 150 |
| 2010 | Apr | 120 |
| 2009 | Apr | 70 |
| 2008 | Apr | 100 |
| 2007 | Apr | 90 |
| 2006 | Jul | 70 |
| 2005 | May | 40 |
| 2004 | May | 30 |