| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 1,900 |
| 2025 | Apr | 2,400 |
| 2024 | Oct | 1,000 |
| 2024 | Oct | 1,900 |
| 2024 | Apr | 2,400 |
| 2023 | Oct | 1,800 |
| 2023 | Apr | 2,200 |
| 2022 | Oct | 1,700 |
| 2022 | Apr | 1,900 |
| 2021 | Oct | 1,500 |
| 2021 | Apr | 1,700 |
| 2020 | Oct | 1,400 |
| 2020 | Jul | 950 |
| 2020 | Apr | 1,400 |
| 2019 | Oct | 1,100 |
| 2019 | May | 1,300 |
| 2018 | Oct | 900 |
| 2018 | May | 1,200 |
| 2017 | Oct | 800 |
| 2017 | May | 1,000 |
| 2016 | Oct | 700 |
| 2016 | May | 950 |
| 2015 | Oct | 650 |
| 2015 | May | 900 |
| 2014 | Oct | 600 |
| 2014 | Apr | 750 |
| 2013 | Oct | 550 |
| 2013 | Apr | 600 |
| 2012 | Oct | 1,250 |
| 2012 | May | 400 |
| 2011 | Oct | 350 |
| 2011 | May | 350 |
| 2010 | Oct | 300 |
| 2010 | May | 350 |
| 2009 | Oct | 300 |
| 2009 | May | 400 |
| 2008 | Jul | 350 |
| 2008 | Feb | 300 |
| 2007 | Oct | 300 |
| 2007 | Jul | 300 |
| 2007 | Feb | 300 |
| 2006 | Jul | 300 |
| 2006 | Feb | 250 |
| 2005 | Jul | 250 |
| 2005 | Feb | 250 |
| 2004 | Jul | 250 |
| 2004 | Feb | 300 |
| 2003 | Jul | 250 |
| 2003 | Jan | 300 |
| 2002 | Jul | 250 |
| 2002 | Jan | 250 |
| 2001 | Jun | 250 |
| 2001 | Feb | 200 |
| 2000 | Jul | 150 |
| 2000 | Feb | 170 |
| 1999 | Aug | 120 |
| 1999 | Feb | 12 |
| 1998 | Jul | 120 |
| 1998 | Feb | 95 |
| 1997 | Aug | 75 |
| 1997 | Mar | 65 |