| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 10 |
| 2024 | May | 75 |
| 2023 | May | 113 |
| 2022 | May | 38 |
| 2022 | May | 75 |
| 2021 | May | 75 |
| 2020 | Jun | 15 |
| 2019 | May | 15 |
| 2018 | May | 50 |
| 2017 | May | 80 |
| 2016 | May | 10 |
| 2016 | Mar | 70 |
| 2015 | May | 80 |
| 2014 | May | 70 |
| 2013 | May | 55 |
| 2012 | May | 55 |
| 2011 | Mar | 80 |
| 2010 | Jun | 70 |
| 2009 | Aug | 20 |
| 2008 | Nov | 33 |
| 2008 | Sep | 50 |
| 2007 | Oct | 65 |
| 2006 | Aug | 63 |
| 2005 | Aug | 50 |