| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 50 |
| 2025 | Jul | 40 |
| 2025 | Jan | 36 |
| 2024 | Jul | 36 |
| 2024 | Jan | 36 |
| 2023 | Jul | 36 |
| 2023 | Jan | 36 |
| 2022 | Jul | 36 |
| 2022 | Jan | 48 |
| 2021 | Jul | 120 |
| 2021 | Jan | 190 |
| 2020 | Jul | - |
| 2020 | Jan | 70 |
| 2019 | Jul | 70 |
| 2019 | Feb | 60 |
| 2018 | Aug | 60 |
| 2018 | Jan | 60 |
| 2017 | Jul | 60 |
| 2017 | Jan | 60 |
| 2016 | Jul | 60 |
| 2016 | Jan | 50 |
| 2015 | Aug | 50 |
| 2015 | Jan | 50 |
| 2014 | Jul | 50 |
| 2014 | Jan | 70 |
| 2013 | Oct | 30 |
| 2013 | Feb | 50 |
| 2012 | Nov | 50 |
| 2012 | Feb | 70 |
| 2011 | Nov | 70 |
| 2011 | Feb | 70 |
| 2010 | Oct | 70 |
| 2010 | Mar | 70 |
| 2009 | Nov | 70 |
| 2009 | Mar | 50 |
| 2008 | Oct | 50 |
| 2008 | Apr | 20 |
| 2008 | Mar | 30 |
| 2007 | Apr | 20 |
| 2007 | Mar | 40 |
| 2006 | Jun | 30 |
| 2005 | May | 25 |
| 2004 | May | 25 |
| 2003 | Jun | 20 |
| 2002 | Jun | 20 |
| 2001 | Jun | 20 |
| 2000 | Jul | - |
| 2000 | Apr | 15 |
| 1999 | Jul | - |
| 1998 | Aug | - |