| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2024 | May | 161 |
| 2023 | May | 120 |
| 2022 | May | 65 |
| 2017 | May | 10 |
| 2015 | May | 105 |
| 2014 | May | 45 |
| 2014 | Jan | 65 |
| 2013 | May | 130 |
| 2012 | May | 110 |
| 2011 | May | 110 |
| 2010 | Apr | 100 |
| 2009 | Apr | 80 |
| 2008 | Apr | 80 |
| 2007 | May | 70 |
| 2006 | Apr | 66 |
| 2005 | May | 30 |
| 2005 | Jan | 25 |
| 2004 | May | 25 |
| 2003 | Dec | 25 |
| 2003 | May | 35 |