Northern Irishman Carson was the clear winner, with central defender Troy Brown runner-up. The former Bury and Portsmouth loan number one was ever present in his first season with the club, making a total of 51 appearances.
The long serving Shane Higgs won it twice (2003/04 and 2006/07) and his one time understudy Scott Brown won it in 2012/13.
Here is the full list of winners since the award was introduced in 1966:
Non-league
1966 Gerald Horlick
1967 Ron Radford
1968 Joe Gadston
1969 Frank Conboy
1970 Alan White
1971 Alan Jefferies
1972 Pat Casey
1973 Richard Wilkes
1974 Pat Casey
1975 Dave Lewis
1976 Jeff Miles
1977 Ray Dean
1978 Terry Paterson
1979 Dave Dangerfield
1980 Wayne Hams
1981 Alan Ollis
1982 John Dyer
1983 Paul Tester
1984 Norman Pemberton
1985 Brian Hughes
1986 Neil Hards
1987 Kevin Willetts
1988 Ray Baverstock
1989 Mark Buckland
1990 Mark Buckland
1991 Kevin Willetts
1992 Kevin Willetts
1993 Steve Brown
1994 Martin Thomas
1995 Chris Banks
1996 Jason Eaton
1997 Jamie Victory
1998 Chris Banks
1999 Neil Grayson
Football League
2000 Russell Milton
2001 Mark Yates
2002 Julian Alsop
2003 Martin Devaney
2004 Shane Higgs
2005 Shane Duff
2006 Brian Wilson
2007 Shane Higgs
2008 David Bird
2009 David Bird
2010 Julian Alsop
2011 Keith Lowe
2012 Sido Jombati
2013 Scott Brown
2014 Byron Harrison
2015 Trevor Carson