| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Apr | 35 |
| 2026 | Feb | 65 |
| 2025 | Apr | 35 |
| 2025 | Jan | 65 |
| 2024 | Apr | 35 |
| 2024 | Jan | 65 |
| 2023 | May | 35 |
| 2023 | Jan | 65 |
| 2022 | May | 35 |
| 2022 | Feb | 65 |
| 2021 | May | 35 |
| 2021 | Jan | 65 |
| 2020 | Feb | 35 |
| 2019 | Dec | 50 |
| 2019 | Apr | 20 |
| 2019 | Jan | 45 |
| 2018 | Apr | 20 |
| 2018 | Jan | 45 |
| 2017 | May | 20 |
| 2017 | Jan | 35 |
| 2016 | Apr | 20 |
| 2016 | Jan | 25 |
| 2015 | Apr | 10 |
| 2015 | Jan | 25 |
| 2014 | Apr | 10 |
| 2014 | Jan | 25 |
| 2013 | Apr | 10 |
| 2013 | Jan | 25 |
| 2012 | Apr | 10 |
| 2012 | Jan | 15 |
| 2011 | Apr | 15 |
| 2010 | Apr | 10 |
| 2008 | Apr | 40 |
| 2007 | Apr | 40 |
| 2006 | May | 50 |
| 2005 | Apr | 50 |
| 2003 | Nov | 50 |
| 2003 | Mar | 50 |
| 2002 | May | 50 |
| 2001 | May | 34 |
| 2000 | Apr | 45 |
| 1999 | Aug | 45 |
| 1998 | Aug | 45 |