| 1961 | |
| 1968 | |
| 1979/80
to 1982/83 | |
| 1981 | |
| | |
| 1982/83
to 1984/85 | |
| 1984 | |
| 1985 | |
| 1985/86
to 1986/87 | |
| 1986 | |
| | |
| 1987/88 | |
| 1988/89 | |
| 1989/90
to 1994 | |
| 1993 | |
| 1994/95
to 1997/98 | |
| 1995 | |
| 2007
to 2009 | |
| 2008 | |
| 2009/10 | |
| 2011
to 2012 | |
| 2012 | |
| to 2013 | |
| 2013 | |
| 2013/14 | |
| 2014/15 | |
| 2015 | |
| 2016
to 2017 | |
| | |
| 2017
to 2018 | |
| 2019 | |
| 2019/20
to 2021/22 | |
| 2023/24 | |
- Deceased
- Director
- Historical landmark
