| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2024 | Aug | 300 |
| 2023 | Jul | 200 |
| 2022 | May | 50 |
| 2017 | May | 200 |
| 2016 | Mar | 150 |
| 2015 | May | 25 |
| 2013 | May | 50 |
| 2012 | May | 150 |
| 2011 | Jun | 150 |
| 2010 | May | 150 |
| 2009 | May | 100 |
| 2008 | Jun | 150 |
| 2007 | May | 125 |
| 2006 | May | 100 |
| 2005 | Jun | 50 |
| 2004 | Jun | 25 |
| 2000 | Apr | 15 |
| 1999 | Jun | 40 |
| 1998 | Jul | 35 |