| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 120 |
| 2025 | Apr | 550 |
| 2025 | Jan | 100 |
| 2024 | Apr | 350 |
| 2024 | Jan | 100 |
| 2023 | May | 175 |
| 2022 | Dec | 75 |
| 2022 | May | 175 |
| 2022 | Jan | 75 |
| 2021 | Apr | 120 |
| 2020 | Dec | 60 |
| 2020 | Jan | 50 |
| 2019 | Apr | 90 |
| 2019 | Jan | 50 |
| 2018 | Apr | 70 |
| 2018 | Jan | 50 |
| 2017 | Apr | 70 |
| 2017 | Jan | 50 |
| 2016 | Mar | 70 |
| 2016 | Jan | 50 |
| 2015 | Apr | 65 |
| 2015 | Jan | 45 |
| 2014 | Apr | 60 |
| 2014 | Jan | 40 |
| 2013 | Apr | 45 |
| 2013 | Jan | 35 |
| 2012 | Apr | 40 |
| 2012 | Jan | 30 |
| 2011 | Apr | 35 |
| 2010 | Apr | 55 |
| 2009 | Apr | 45 |
| 2008 | Apr | 38 |
| 2007 | Jun | 35 |
| 2006 | Jul | 26 |
| 2005 | Apr | 23 |
| 2004 | Apr | 17 |
| 2003 | Apr | 15 |
| 2002 | Jul | 15 |
| 1999 | Feb | - |