| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 100 |
| 2024 | May | 100 |
| 2023 | May | 125 |
| 2022 | Feb | 315 |
| 2021 | Feb | 50 |
| 2020 | Oct | 850 |
| 2020 | May | 75 |
| 2019 | Feb | 75 |
| 2018 | Feb | 100 |
| 2017 | Jul | 80 |
| 2017 | Feb | 60 |
| 2016 | Jul | 80 |
| 2016 | Feb | 60 |
| 2015 | Jul | 80 |
| 2015 | Feb | 160 |
| 2014 | Jul | 90 |
| 2014 | Feb | 110 |
| 2013 | Jul | 70 |
| 2013 | Feb | 110 |
| 2012 | Jul | 70 |
| 2012 | Jan | 90 |
| 2011 | Jul | 70 |
| 2011 | Feb | 70 |
| 2010 | Jul | 60 |
| 2010 | Feb | 60 |
| 2009 | Jul | 60 |
| 2009 | Feb | 50 |
| 2008 | Jul | 60 |
| 2008 | Feb | 50 |
| 2007 | Jul | 125 |
| 2007 | Feb | 40 |
| 2006 | Oct | 75 |
| 2006 | Apr | 50 |
| 2005 | Jul | 30 |
| 2005 | Apr | 60 |
| 2004 | Jul | 30 |
| 2004 | Apr | 50 |
| 2003 | Jul | 40 |
| 2003 | Apr | 30 |
| 2002 | Aug | 20 |
| 2002 | May | 40 |
| 2001 | Jul | 50 |
| 2000 | Aug | 15 |
| 2000 | Feb | 25 |
| 1999 | Aug | 45 |
| 1999 | Feb | 3 |
| 1998 | Aug | 35 |
| 1998 | Feb | 25 |
| 1997 | Feb | 25 |