| Year | Month | Dividend (%) |
|---|---|---|
| 2020 | Jul | 75 |
| 2020 | Jun | 150 |
| 2020 | Feb | 125 |
| 2019 | Oct | 100 |
| 2019 | Aug | 75 |
| 2019 | Apr | 125 |
| 2019 | Jan | 125 |
| 2018 | Oct | 125 |
| 2018 | Jul | 125 |
| 2018 | May | 50 |
| 2018 | Feb | 50 |
| 2017 | Nov | 50 |
| 2017 | Jul | 50 |
| 2017 | Apr | 50 |
| 2017 | Feb | 50 |
| 2016 | Oct | 50 |
| 2016 | Jul | 50 |
| 2016 | May | 125 |
| 2016 | Feb | 120 |
| 2015 | Nov | 113 |
| 2015 | Aug | 100 |
| 2015 | Apr | 100 |
| 2015 | Feb | 125 |
| 2014 | Oct | 118 |
| 2014 | Jul | 80 |
| 2014 | Apr | 150 |
| 2014 | Feb | 50 |
| 2014 | Feb | 375 |
| 2013 | Jul | 70 |
| 2013 | Apr | 60 |
| 2013 | Feb | 60 |
| 2012 | Nov | 60 |
| 2012 | Jul | 75 |
| 2012 | Apr | 75 |
| 2012 | Feb | 75 |
| 2011 | Oct | 50 |
| 2011 | Jul | 50 |
| 2011 | May | 25 |
| 2011 | Feb | 70 |
| 2011 | Jan | 50 |
| 2010 | Jul | 30 |
| 2010 | Feb | 40 |
| 2009 | Jul | 30 |
| 2009 | Feb | 25 |
| 2008 | Aug | 25 |
| 2007 | Jul | 40 |
| 2007 | Feb | 40 |
| 2006 | Jul | 40 |
| 2006 | Feb | 30 |
| 2005 | Oct | 30 |
| 2005 | Jan | 50 |
| 2004 | May | 20 |
| 2001 | Feb | 30 |
| 2000 | Mar | 30 |