| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Mar | 1,860 |
| 2024 | Mar | 1,880 |
| 2023 | Jan | 1,180 |
| 2022 | Mar | 880 |
| 2021 | Mar | 220 |
| 2021 | Jan | 300 |
| 2020 | Feb | 620 |
| 2019 | Mar | 320 |
| 2018 | Dec | 400 |
| 2018 | Feb | 300 |
| 2017 | Feb | 330 |
| 2016 | Oct | 300 |
| 2016 | Mar | 400 |
| 2016 | Jan | 420 |
| 2015 | Apr | 120 |
| 2015 | Mar | 80 |
| 2015 | Jan | 180 |
| 2014 | Apr | 130 |
| 2014 | Mar | 75 |
| 2013 | Oct | 180 |
| 2013 | Apr | 100 |
| 2013 | Jan | 180 |
| 2012 | Apr | 115 |
| 2011 | Jul | 65 |
| 2011 | Jan | 50 |
| 2010 | Aug | 25 |
| 2010 | Jan | 10 |
| 2009 | Aug | 20 |
| 2008 | Nov | 20 |
| 2008 | Aug | 35 |
| 2007 | Oct | 70 |
| 2007 | Aug | 20 |
| 2007 | Mar | 80 |
| 2006 | Oct | 70 |
| 2006 | Mar | 60 |
| 2005 | Oct | 60 |
| 2005 | Jun | 40 |
| 2004 | Oct | 50 |
| 2004 | Apr | 45 |
| 2003 | Sep | 35 |
| 2003 | May | 40 |
| 2002 | Oct | 25 |
| 2002 | Mar | 60 |
| 2001 | Aug | 30 |
| 2000 | Mar | 35 |
| 1999 | Jul | 30 |
| 1998 | Jun | 20 |
| 1997 | Aug | 27 |