| Year | Month | Dividend (%) |
|---|---|---|
| 2013 | Apr | 120 |
| 2012 | Oct | 110 |
| 2012 | Apr | 100 |
| 2011 | Oct | 100 |
| 2011 | Apr | 110 |
| 2010 | Apr | 188 |
| 2009 | Apr | 175 |
| 2008 | Apr | 200 |
| 2006 | Nov | 200 |
| 2006 | Jun | 63 |
| 2005 | Jun | 60 |
| 2004 | Aug | 60 |
| 2003 | Apr | 110 |
| 2002 | Aug | 95 |
| 2001 | Jul | 110 |
| 2000 | Apr | 110 |
| 1999 | Sep | 100 |
| 1998 | Sep | 85 |
| 1997 | Nov | 80 |