| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 850 |
| 2025 | May | 3,000 |
| 2024 | Nov | 1,750 |
| 2024 | May | 2,800 |
| 2023 | May | 2,200 |
| 2022 | May | 1,400 |
| 2021 | Jun | 1,200 |
| 2020 | Mar | 1,200 |
| 2019 | May | 500 |
| 2018 | May | 400 |
| 2017 | May | 400 |
| 2016 | May | 400 |
| 2015 | Jun | 400 |
| 2014 | May | 400 |
| 2013 | May | 400 |
| 2012 | May | 400 |
| 2011 | May | 350 |
| 2010 | May | 250 |
| 2009 | Jul | 250 |
| 2008 | Jun | 250 |
| 2007 | Jun | 250 |
| 2006 | Jun | 225 |
| 2005 | Jul | 220 |
| 2004 | Aug | 190 |
| 2003 | Aug | 170 |
| 2001 | Aug | 160 |
| 1999 | Aug | 120 |
| 1998 | Oct | 10 |