| Year | Month | Dividend (%) |
|---|---|---|
| 2017 | May | 100 |
| 2015 | May | 100 |
| 2014 | Apr | 100 |
| 2013 | Apr | 100 |
| 2012 | May | 100 |
| 2011 | May | 100 |
| 2011 | May | 1,500 |
| 2010 | May | 125 |
| 2009 | Jun | 50 |
| 2008 | Jun | 100 |
| 2007 | May | 100 |
| 2006 | May | 100 |
| 2005 | May | 80 |
| 2004 | Nov | 80 |
| 2004 | Jul | 40 |
| 2004 | Jan | 40 |
| 2003 | Oct | 60 |
| 2003 | May | 80 |
| 2002 | Jun | 50 |
| 2001 | Jun | - |