| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jul | 600 |
| 2024 | Jul | 600 |
| 2023 | Jul | 600 |
| 2022 | Jul | 600 |
| 2021 | Jul | 600 |
| 2020 | Jul | 400 |
| 2020 | Jul | 400 |
| 2020 | Jul | 400 |
| 2020 | Jul | 400 |
| 2020 | Feb | 200 |
| 2020 | Feb | 200 |
| 2019 | Jul | 200 |
| 2019 | Apr | 200 |
| 2019 | Jan | 200 |
| 2019 | Jan | 200 |
| 2018 | May | 300 |
| 2017 | Jul | 100 |
| 2017 | Apr | 300 |
| 2016 | Jul | 100 |
| 2016 | Mar | 150 |
| 2015 | Oct | 100 |
| 2015 | Jul | 150 |
| 2015 | May | 120 |
| 2015 | Jan | 60 |
| 2014 | Jan | 100 |
| 2013 | Oct | 150 |
| 2013 | May | 40 |
| 2013 | Jan | 50 |
| 2012 | Nov | 80 |
| 2012 | May | 20 |
| 2012 | Feb | 110 |
| 2011 | Feb | 25 |
| 2010 | Nov | 30 |
| 2010 | May | 15 |
| 2009 | Jun | 30 |
| 2008 | Jun | 35 |
| 2007 | Oct | 25 |
| 2007 | Jun | 20 |
| 2006 | Jun | 20 |
| 2004 | Jun | - |
| 2003 | Jul | 20 |
| 2002 | Sep | 30 |
| 2001 | Jun | 20 |
| 2000 | Jul | - |
| 1999 | Jul | 30 |
| 1997 | Dec | 15 |
| 1997 | Jul | 20 |