| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | May | 9,050 |
| 2025 | May | 7,500 |
| 2024 | May | 7,350 |
| 2023 | Mar | 7,200 |
| 2022 | May | 5,650 |
| 2021 | Mar | 6,200 |
| 2020 | Oct | 1,250 |
| 2020 | Aug | 8,300 |
| 2020 | Apr | 3,500 |
| 2019 | May | 1,500 |
| 2018 | May | 1,250 |
| 2017 | May | 1,100 |
| 2016 | May | 1,000 |
| 2015 | May | 800 |
| 2014 | May | 600 |
| 2013 | May | 425 |
| 2012 | May | 425 |
| 2011 | May | 325 |
| 2010 | May | 250 |
| 2009 | May | 400 |
| 2008 | May | 180 |
| 2007 | May | 150 |
| 2006 | May | 150 |
| 2005 | May | 140 |
| 2004 | Jun | 110 |
| 2003 | Jun | 100 |
| 2002 | Jun | 75 |
| 2001 | Jun | 55 |
| 2000 | Mar | 45 |
| 1999 | Jul | 55 |
| 1998 | Jun | 50 |
| 1997 | Jun | 40 |