| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 28 |
| 2024 | Apr | 27 |
| 2023 | Apr | 23 |
| 2022 | Apr | 20 |
| 2019 | Apr | 60 |
| 2018 | Apr | 60 |
| 2017 | Apr | 60 |
| 2016 | Apr | 60 |
| 2015 | Apr | 60 |
| 2014 | Sep | 60 |
| 2014 | Apr | 60 |
| 2013 | Apr | 60 |
| 2012 | Apr | 60 |
| 2011 | Apr | 50 |
| 2010 | Apr | 35 |
| 2009 | Apr | 25 |
| 2008 | Apr | 25 |
| 2007 | Apr | 15 |
| 2006 | Apr | 10 |
| 2002 | May | 10 |
| 2001 | May | 12 |
| 2000 | Jun | 10 |