| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jan | 225 |
| 2024 | Oct | 175 |
| 2024 | May | 100 |
| 2024 | Jan | 125 |
| 2023 | Oct | 125 |
| 2023 | May | 100 |
| 2023 | Jan | 125 |
| 2022 | Oct | 125 |
| 2022 | May | 100 |
| 2022 | Jan | 100 |
| 2021 | Oct | 100 |
| 2021 | May | 65 |
| 2021 | Jan | 60 |
| 2020 | Mar | 50 |
| 2019 | Oct | 50 |
| 2019 | Jan | 50 |
| 2018 | Oct | 40 |
| 2018 | Jan | 50 |
| 2017 | Oct | 30 |
| 2017 | Jan | 25 |
| 2016 | Oct | 30 |
| 2016 | Mar | 45 |
| 2016 | Jan | 30 |
| 2015 | May | 45 |
| 2015 | Jan | 30 |
| 2014 | May | 40 |
| 2014 | Jan | 25 |
| 2013 | May | 30 |
| 2013 | Jan | 20 |
| 2012 | May | 30 |
| 2012 | Jan | 20 |
| 2011 | Jun | 25 |
| 2011 | Jan | 20 |
| 2010 | May | 20 |
| 2010 | Jan | 20 |
| 2009 | May | 30 |
| 2008 | May | 15 |
| 2008 | Jan | 15 |
| 2007 | May | 15 |
| 2007 | Jan | 15 |
| 2006 | May | 25 |
| 2005 | Jul | 20 |
| 2004 | Jun | 18 |
| 2003 | Jun | 18 |
| 2002 | Jun | 18 |
| 2001 | Jun | 18 |