| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Aug | 15 |
| 2024 | May | 15 |
| 2023 | May | 14 |
| 2022 | May | 14 |
| 2021 | Aug | 12 |
| 2020 | Aug | 12 |
| 2019 | May | 14 |
| 2017 | May | 14 |
| 2015 | Sep | 14 |
| 2014 | Sep | 14 |
| 2013 | May | 14 |
| 2012 | Sep | 12 |
| 2011 | May | 12 |
| 2010 | Jun | 15 |
| 2009 | Jun | 11 |
| 2008 | Jun | 9 |
| 2007 | Jun | 6 |
| 2006 | Jun | 10 |
| 2005 | Jun | 12 |
| 2004 | Jun | 10 |
| 2003 | Jun | 8 |
| 2001 | Jun | 13 |
| 2000 | Apr | 13 |
| 1999 | Aug | 13 |
| 1998 | Aug | 12 |