| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 15 |
| 2024 | Jun | 25 |
| 2023 | May | 35 |
| 2022 | May | 25 |
| 2019 | May | 10 |
| 2018 | May | 25 |
| 2017 | May | 25 |
| 2016 | Mar | 25 |
| 2015 | May | 25 |
| 2014 | May | 20 |
| 2013 | Aug | 14 |
| 2012 | May | 28 |
| 2011 | May | 28 |
| 2010 | May | 28 |
| 2009 | Jun | 24 |
| 2008 | Jul | 21 |
| 2006 | Aug | 18 |
| 2005 | Jul | 16 |
| 2004 | Jul | 14 |
| 2002 | Jul | 10 |