| 1988 | P. John |
| 1989 | P. John |
| 1990 | P. John |
| 1991 | Mo. Jones |
| 1992 | |
| 1993 | M. Greenslade |
| 1994 | Mo. Jones |
| 1995 | D. Kendall |
| 1996 | P. John |
| 1997 | |
| 1998 | P. John |
| 1999 | J. Hartley |
| 2000 | P. John |
| 2001 | J. Hartley |
| 2002 | V. Jones |
| 2003 | M. Cox |
| 2004 | R. Morris |
| 2005 | S. Wakeham |
| 2006 | S. Wakeham |
| 2007 | J. Hartley |
| 2008 | V. Jones |
| 2009 | A. Davies |
| 2010 | C. O’ Connor |
| 2011 | C. Davies |
| 2012 | P. John |
| 2013 | J. Wason |
| 2014 | P. John |
| 2015 | V. Jones |
| 2016 | P. John |
| 2017 | V. Jones |
| 2018 | P. John |
| 2019 | M. Moorcraft |
| 2020 |