| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 300 |
| 2024 | May | 250 |
| 2022 | Aug | 200 |
| 2019 | May | 175 |
| 2018 | May | 150 |
| 2017 | Jun | 150 |
| 2015 | Jun | 175 |
| 2014 | May | 150 |
| 2013 | Oct | 50 |
| 2013 | May | 100 |
| 2012 | May | 175 |
| 2011 | May | 175 |
| 2010 | May | 75 |
| 2009 | Oct | 100 |
| 2009 | Jun | 100 |
| 2008 | Jul | 50 |
| 2007 | Oct | 50 |
| 2007 | Jan | 75 |