| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 10 |
| 2024 | May | 10 |
| 2023 | May | 30 |
| 2022 | Apr | 10 |
| 2019 | Apr | 10 |
| 2018 | Apr | 20 |
| 2017 | May | 20 |
| 2016 | Mar | 100 |
| 2015 | Mar | 100 |
| 2014 | Apr | 100 |
| 2013 | Apr | 150 |
| 2012 | Apr | 100 |
| 2011 | Apr | 60 |
| 2011 | Apr | 30 |
| 2010 | Apr | 70 |
| 2009 | Apr | 60 |
| 2008 | Apr | 100 |
| 2007 | Apr | 60 |
| 2006 | Apr | 50 |
| 2005 | Apr | 40 |
| 2004 | May | 20 |