| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Feb | 310 |
| 2025 | Feb | 250 |
| 2024 | Feb | 205 |
| 2023 | Feb | 185 |
| 2022 | Feb | 125 |
| 2021 | Mar | 120 |
| 2020 | Mar | 75 |
| 2020 | Feb | 60 |
| 2019 | Feb | 80 |
| 2019 | Feb | 60 |
| 2018 | May | 70 |
| 2018 | Jan | 60 |
| 2017 | Apr | 60 |
| 2017 | Jan | 40 |
| 2016 | Mar | 50 |
| 2016 | Jan | 40 |
| 2015 | May | 45 |
| 2015 | Feb | 45 |
| 2014 | May | 50 |
| 2014 | Jan | 40 |
| 2013 | May | 50 |
| 2013 | Feb | 40 |
| 2012 | Jun | 50 |
| 2012 | Feb | 40 |
| 2011 | May | 10 |
| 2011 | Mar | 35 |
| 2010 | Dec | 50 |
| 2010 | Apr | 40 |
| 2009 | Dec | 35 |
| 2009 | Apr | 30 |
| 2008 | Dec | 30 |
| 2008 | Mar | 25 |
| 2007 | Dec | 45 |
| 2007 | Mar | 30 |
| 2006 | Dec | 45 |
| 2006 | Mar | 30 |
| 2005 | Dec | 45 |
| 2005 | Mar | 35 |
| 2004 | Nov | 50 |
| 2004 | Jul | 5 |
| 2004 | May | 30 |
| 2003 | Oct | 50 |
| 2003 | Jun | 85 |
| 2001 | Jul | 85 |
| 2000 | Mar | 70 |
| 1999 | Aug | 60 |