| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 2,400 |
| 2025 | May | 2,700 |
| 2024 | Oct | 2,400 |
| 2024 | May | 1,000 |
| 2024 | May | 2,600 |
| 2023 | Oct | 2,200 |
| 2023 | May | 2,100 |
| 2022 | Oct | 1,800 |
| 2022 | Mar | 2,100 |
| 2021 | Oct | 1,900 |
| 2021 | Mar | 2,000 |
| 2020 | Oct | 1,800 |
| 2020 | May | 1,600 |
| 2019 | Oct | 1,200 |
| 2019 | May | 800 |
| 2019 | Mar | 700 |
| 2018 | Oct | 800 |
| 2018 | May | 1,100 |
| 2018 | Mar | 500 |
| 2017 | Dec | 400 |
| 2017 | Oct | 400 |
| 2017 | Mar | 300 |
| 2016 | Nov | 300 |
| 2016 | Oct | 400 |
| 2016 | Mar | 300 |
| 2015 | Nov | 300 |
| 2015 | Oct | 400 |
| 2015 | Mar | 800 |
| 2014 | Nov | 800 |
| 2014 | Sep | 800 |
| 2014 | Mar | 900 |
| 2013 | Nov | 900 |
| 2013 | Sep | 900 |
| 2013 | Mar | 900 |
| 2012 | Nov | 600 |
| 2012 | Aug | 1,300 |
| 2012 | Feb | 800 |
| 2011 | Nov | 900 |
| 2011 | May | 800 |
| 2011 | Feb | 700 |
| 2010 | Nov | 500 |
| 2010 | Jul | 1,000 |
| 2010 | Mar | 500 |
| 2009 | Nov | 700 |
| 2009 | Jul | 800 |
| 2009 | Feb | 600 |
| 2008 | Nov | 900 |
| 2008 | May | 700 |
| 2007 | Nov | 600 |
| 2007 | May | 20 |
| 2007 | Mar | 33 |
| 2006 | Oct | 43 |
| 2006 | Feb | 18 |
| 2005 | Nov | 30 |
| 2005 | Jul | 28 |
| 2005 | Apr | 15 |
| 2004 | Nov | 40 |
| 2004 | Jun | 15 |
| 2004 | Mar | 13 |
| 2003 | Nov | 25 |
| 2003 | Aug | 23 |
| 2003 | May | 20 |
| 2002 | Nov | 23 |
| 2002 | Apr | 18 |
| 2002 | Jan | 25 |
| 2001 | Jun | 83 |
| 2000 | May | 30 |
| 1999 | Aug | 30 |
| 1997 | Nov | 13 |