| Year | Month | Dividend (%) |
|---|---|---|
| 2024 | Oct | 55 |
| 2024 | May | 50 |
| 2023 | Mar | 163 |
| 2022 | Mar | 150 |
| 2021 | Mar | 100 |
| 2020 | Mar | 150 |
| 2019 | Feb | 75 |
| 2019 | Jan | 100 |
| 2018 | May | 100 |
| 2017 | May | 100 |
| 2016 | Mar | 50 |
| 2015 | Nov | 50 |
| 2015 | May | 70 |
| 2014 | Aug | 30 |
| 2014 | May | 75 |
| 2013 | May | 75 |
| 2012 | May | 25 |
| 2011 | Nov | 50 |
| 2011 | Apr | 125 |
| 2010 | Nov | 25 |
| 2010 | Apr | 25 |
| 2009 | Nov | 25 |
| 2009 | May | 25 |
| 2008 | Jun | 30 |
| 2007 | Jul | 20 |
| 2007 | Mar | 20 |
| 2006 | Oct | 25 |
| 2006 | Jun | 15 |