| Year | Month | Dividend (%) |
|---|---|---|
| 2019 | May | 350 |
| 2018 | May | 350 |
| 2017 | Jun | 350 |
| 2016 | Mar | 350 |
| 2015 | May | 350 |
| 2014 | May | 350 |
| 2013 | May | 200 |
| 2013 | Jan | 150 |
| 2012 | May | 150 |
| 2011 | Dec | 200 |
| 2011 | May | 250 |
| 2011 | Jan | 100 |
| 2010 | May | 150 |
| 2010 | Jan | 100 |
| 2009 | Oct | 100 |
| 2009 | May | 350 |
| 2008 | Jun | 100 |
| 2008 | Mar | 100 |
| 2007 | Dec | 150 |
| 2007 | Jun | 50 |
| 2007 | Mar | 100 |
| 2006 | Oct | 100 |
| 2006 | Jun | 100 |
| 2005 | Jun | 50 |
| 2004 | Jun | 30 |
| 2003 | Jun | 30 |
| 2002 | Jul | 30 |
| 2001 | May | 30 |
| 2000 | Mar | 30 |
| 1999 | Aug | 28 |