| Year | Month | Dividend (%) |
|---|---|---|
| 2016 | Mar | 5 |
| 2015 | Aug | 5 |
| 2015 | Mar | 5 |
| 2014 | Jun | 5 |
| 2014 | Mar | 5 |
| 2013 | Jun | 5 |
| 2013 | Mar | 5 |
| 2012 | May | 5 |
| 2011 | Sep | 3 |
| 2011 | Mar | 5 |
| 2010 | May | 10 |
| 2009 | Jun | 6 |
| 2008 | Dec | 8 |
| 2008 | Jun | 8 |
| 2007 | Nov | 8 |
| 2007 | Jun | 10 |
| 2007 | Apr | 10 |
| 2006 | Jun | 10 |
| 2005 | May | 12 |
| 2004 | May | 10 |
| 2003 | Aug | 12 |