| 2024 | J Wang |
| 2023 | L Guico J Wang |
| 2022 | NA |
| 2021 | E Bishop |
| 2020 | R Le Grange |
| 2019 | N Sarmiento |
| 2018 | B Pollard |
| 2017 | N Sarmiento |
| 2016 | L Guico |
| 2015 | L Guico |
| 2014 | A Ang |
| 2013 | L Guico |
| 2012 | J Cater A Ang |
| 2011 | S Yang |
| 2010 | L Guico |
| 2009 | R W Smith |
| 2008 | R W Smith |
| 2007 | R W Smith |
| 2006 | R W Smith |
| 2005 | R W Smith |
| 2004 | R W Smith |
| 2003 | R W Smith |
| 2002 | R W Smith |
| 2001 | R W Smith |
| 2000 | R W Smith |
| 1999 | R W Smith |
| 1998 | R W Smith |
| 1997 | R W Smith |
| 1996 | R W Smith |
| 1995 | R W Smith |
| 1994 | R W Smith |
| 1993 | R W Smith |
| 1992 | R W Smith |
| 1991 | R W Smith |
| 1990 | R W Smith |
| 1989 | R W Smith |
| 1988 | R W Smith |
| 1987 | R W Smith |
| 1986 | R W Smith |
| 1985 | R W Smith |
| 1984 | R W Smith |
| 1983 | R W Smith |
| 1982 | R W Smith |
| 1981 | R W Smith |
| 1980 | R W Smith |
| 1979 | G Sareczky |
1978 | R W Smith N Bridges |
| 1977 | J Van Pelt |