| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 550 |
| 2025 | Apr | 1,200 |
| 2024 | Oct | 500 |
| 2024 | Apr | 1,100 |
| 2023 | Oct | 400 |
| 2023 | Apr | 1,000 |
| 2022 | Oct | 300 |
| 2022 | Apr | 900 |
| 2021 | Oct | 300 |
| 2021 | May | 850 |
| 2020 | Oct | 250 |
| 2020 | Feb | 500 |
| 2019 | Oct | 200 |
| 2019 | May | 450 |
| 2018 | Oct | 200 |
| 2018 | Apr | 450 |
| 2017 | Oct | 150 |
| 2017 | Apr | 350 |
| 2017 | Apr | 250 |
| 2016 | Oct | 150 |
| 2016 | Mar | 250 |
| 2016 | Jan | 125 |
| 2015 | Jul | 350 |
| 2015 | Jan | 100 |
| 2014 | Jul | 300 |
| 2014 | Jan | 100 |
| 2013 | Jul | 275 |
| 2013 | Jan | 100 |
| 2012 | Jul | 225 |
| 2012 | Jan | 75 |
| 2011 | Jul | 150 |
| 2011 | Jan | 65 |
| 2010 | Jul | 130 |
| 2010 | Jan | 50 |
| 2009 | Jul | 120 |
| 2008 | Aug | 45 |
| 2008 | Jan | 35 |
| 2007 | Jul | 50 |
| 2007 | Jan | 25 |
| 2006 | Aug | 100 |
| 2005 | Aug | 90 |
| 2004 | Aug | 90 |
| 2003 | Sep | 70 |
| 2002 | Jul | 60 |
| 2001 | Aug | 30 |
| 2000 | Aug | 20 |
| 2000 | Apr | 50 |
| 1999 | Aug | 70 |
| 1998 | Aug | 60 |
| 1997 | Oct | 60 |