| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Aug | 400 |
| 2024 | Feb | 150 |
| 2023 | Nov | 300 |
| 2023 | Feb | 300 |
| 2022 | May | 450 |
| 2022 | Feb | 150 |
| 2021 | Nov | 150 |
| 2021 | Aug | 150 |
| 2021 | Feb | 150 |
| 2020 | Nov | 125 |
| 2020 | Aug | 125 |
| 2020 | Feb | 175 |
| 2019 | Nov | 125 |
| 2019 | Feb | 125 |
| 2018 | Nov | 125 |
| 2018 | Feb | 100 |
| 2017 | Nov | 150 |
| 2017 | May | 125 |
| 2016 | Nov | 125 |
| 2016 | May | 70 |
| 2016 | Feb | 70 |
| 2015 | Nov | 60 |
| 2015 | Aug | 50 |
| 2015 | May | 100 |
| 2015 | Feb | 200 |
| 2014 | Aug | 150 |
| 2014 | Jun | 175 |
| 2013 | Nov | 125 |
| 2013 | May | 50 |
| 2013 | Feb | 100 |
| 2012 | May | 100 |
| 2011 | May | 100 |
| 2010 | Oct | 100 |
| 2010 | May | 40 |
| 2010 | Jan | 60 |
| 2009 | Nov | 30 |
| 2009 | Jan | 60 |
| 2008 | Jun | 65 |
| 2007 | Jul | 50 |
| 2006 | Jun | 30 |
| 2005 | Jul | 10 |
| 2004 | Jun | 45 |
| 2003 | Jun | 35 |
| 2002 | Jul | 30 |
| 2001 | Jul | 30 |
| 2000 | Apr | 50 |
| 1999 | May | 50 |
| 1997 | Jul | 15 |
| 1997 | Feb | 15 |