| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 5,120 |
| 2024 | May | 1,700 |
| 2024 | Jan | 2,050 |
| 2023 | May | 2,800 |
| 2023 | Jan | 2,000 |
| 2022 | May | 1,000 |
| 2022 | May | 1,100 |
| 2021 | May | 1,150 |
| 2020 | May | 1,050 |
| 2019 | May | 1,050 |
| 2018 | May | 1,000 |
| 2017 | May | 900 |
| 2017 | Feb | 750 |
| 2016 | May | 850 |
| 2015 | May | 850 |
| 2014 | Feb | 550 |
| 2013 | Feb | 600 |
| 2012 | Feb | 500 |
| 2011 | Jun | 850 |
| 2011 | Feb | 400 |
| 2010 | Mar | 300 |
| 2009 | Mar | 250 |
| 2008 | Mar | 250 |
| 2007 | Mar | 40 |
| 2007 | Mar | 120 |
| 2007 | Jan | 120 |
| 2006 | Mar | 120 |
| 2005 | Mar | 100 |
| 2004 | Mar | 65 |
| 2003 | Feb | 40 |
| 2002 | May | 3 |
| 2002 | Feb | 31 |
| 2001 | Mar | 31 |
| 2000 | Mar | 26 |
| 1999 | Mar | 22 |
| 1998 | Mar | 26 |
| 1997 | Apr | 24 |