| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 550 |
| 2024 | Jul | 500 |
| 2023 | Jun | 400 |
| 2022 | Apr | 250 |
| 2021 | Apr | 100 |
| 2019 | May | 50 |
| 2018 | May | 75 |
| 2017 | May | 125 |
| 2016 | Apr | 250 |
| 2015 | Apr | 250 |
| 2014 | Apr | 230 |
| 2013 | Apr | 200 |
| 2012 | Apr | 165 |
| 2011 | Apr | 140 |
| 2010 | Apr | 120 |
| 2009 | Apr | 110 |
| 2008 | Apr | 110 |
| 2007 | Apr | 100 |
| 2006 | Apr | 85 |
| 2005 | May | 85 |
| 2004 | Apr | 75 |
| 2003 | Apr | 75 |
| 2002 | May | - |
| 2002 | Jan | 20 |
| 2001 | Apr | 20 |
| 2000 | Apr | 15 |
| 1999 | Apr | 12 |
| 1998 | Apr | 10 |