| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 1,600 |
| 2024 | May | 1,200 |
| 2023 | May | 800 |
| 2022 | May | 400 |
| 2021 | Aug | 100 |
| 2020 | Aug | 100 |
| 2019 | Aug | 50 |
| 2012 | May | 175 |
| 2011 | May | 500 |
| 2010 | Feb | 500 |
| 2009 | Feb | 750 |
| 2008 | Feb | 750 |
| 2007 | Mar | 600 |
| 2006 | Feb | 200 |
| 2005 | Feb | 500 |
| 2004 | Feb | 39 |
| 2003 | Feb | 37 |
| 2002 | Mar | 30 |
| 2001 | May | 40 |
| 2000 | Jul | 5 |
| 2000 | Apr | 35 |
| 1999 | Jul | 33 |
| 1997 | Jun | 28 |