| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 460 |
| 2025 | Apr | 440 |
| 2024 | Oct | 420 |
| 2024 | Apr | 160 |
| 2024 | Apr | 400 |
| 2023 | Oct | 360 |
| 2023 | Apr | 350 |
| 2022 | Oct | 330 |
| 2022 | Apr | 320 |
| 2021 | Oct | 300 |
| 2021 | Apr | 300 |
| 2020 | Oct | 240 |
| 2020 | Apr | 190 |
| 2019 | Oct | 160 |
| 2019 | Apr | 210 |
| 2019 | Jan | 80 |
| 2018 | Oct | 140 |
| 2018 | Apr | 200 |
| 2018 | Apr | 410 |
| 2017 | Oct | 260 |
| 2017 | Apr | 295 |
| 2016 | Sep | 220 |
| 2016 | Apr | 285 |
| 2015 | Sep | 200 |
| 2015 | Apr | 590 |
| 2014 | Aug | 600 |
| 2014 | Apr | 860 |
| 2013 | Sep | 400 |
| 2013 | Apr | 540 |
| 2012 | Sep | 300 |
| 2012 | Apr | 640 |
| 2011 | Sep | 300 |
| 2011 | Apr | 400 |
| 2010 | Sep | 800 |
| 2010 | Apr | 300 |
| 2009 | Sep | 200 |
| 2009 | Apr | 270 |
| 2008 | Sep | 200 |
| 2008 | Apr | 545 |
| 2007 | Sep | 120 |
| 2007 | Apr | 130 |
| 2006 | Sep | 100 |
| 2006 | Apr | 770 |
| 2005 | Sep | 130 |
| 2005 | Apr | 130 |
| 2004 | Oct | 100 |
| 2004 | Apr | 2,300 |
| 2003 | Sep | 290 |
| 2003 | Apr | 290 |
| 2002 | Sep | 250 |
| 2002 | Apr | 250 |
| 2001 | Oct | 150 |
| 2001 | Apr | 150 |
| 2000 | Oct | 50 |
| 2000 | Apr | 60 |
| 1999 | Oct | 30 |
| 1999 | Apr | 50 |
| 1998 | Oct | 25 |
| 1998 | Apr | 45 |
| 1997 | Oct | 15 |
| 1997 | Apr | 40 |