| Year | Month | Dividend (%) |
|---|---|---|
| 2024 | Nov | 500 |
| 2020 | Mar | 80 |
| 2017 | Jun | 225 |
| 2016 | Mar | 225 |
| 2015 | May | 225 |
| 2014 | May | 225 |
| 2013 | May | 225 |
| 2012 | May | 200 |
| 2011 | May | 200 |
| 2010 | Jun | 175 |
| 2009 | May | 125 |
| 2008 | Jun | 100 |
| 2007 | Mar | 100 |
| 2006 | Jun | 30 |
| 2005 | Jul | 50 |
| 2005 | Mar | 75 |
| 2004 | Jun | 50 |
| 2003 | Dec | 125 |
| 2003 | Jun | 150 |
| 2002 | Oct | 50 |
| 2002 | Jun | 20 |
| 2001 | Jun | 65 |
| 2000 | Mar | 60 |
| 1999 | Jun | 50 |
| 1998 | Jun | 35 |
| 1997 | Aug | 30 |