| Year | Answer | % Correct |
|---|---|---|
| 2001 | Losing | 100%
|
| 1997 | Losing | 100%
|
| 1994 | Losing | 100%
|
| 1979 | Losing | 100%
|
| 1978 | Losing | 100%
|
| 1977 | Losing | 100%
|
| 1976 | Losing | 100%
|
| 1972 | Losing | 100%
|
| 1971 | Losing | 100%
|
| 1970 | Losing | 100%
|
| 1969 | Losing | 100%
|
| 2024 | Winning | 100%
|
| 2023 | Winning | 100%
|
| 2022 | Winning | 100%
|
| 2021 | Winning | 100%
|
| 2020 | Winning | 100%
|
| 2019 | Winning | 100%
|
| 2017 | Winning | 100%
|
| 2014 | Winning | 100%
|
| 2018 | Losing | 80%
|
| 2016 | Losing | 80%
|
| 2013 | Losing | 80%
|
| 2012 | Losing | 80%
|
| 2011 | Losing | 80%
|
| 2010 | Losing | 80%
|
| 2009 | Losing | 80%
|
| 2008 | Losing | 80%
|
| 2007 | Losing | 80%
|
| 2006 | Losing | 80%
|
| 2005 | Losing | 80%
|
| 2003 | Losing | 80%
|
| 1987 | Losing | 80%
|
| 1986 | Losing | 80%
|
| 1985 | Losing | 80%
|
| 1984 | Losing | 80%
|
| 1982 | Losing | 80%
|
| 1968 | Losing | 80%
|
| 1967 | Losing | 80%
|
| 2015 | Tied | 80%
|
| 2002 | Tied | 80%
|
| 2000 | Tied | 80%
|
| 1983 | Tied | 80%
|
| 2004 | Winning | 80%
|
| 1999 | Winning | 80%
|
| 1998 | Winning | 80%
|
| 1996 | Winning | 80%
|
| 1995 | Winning | 80%
|
| 1993 | Winning | 80%
|
| 1992 | Winning | 80%
|
| 1991 | Winning | 80%
|
| 1990 | Winning | 80%
|
| 1989 | Winning | 80%
|
| 1988 | Winning | 80%
|
| 1981 | Winning | 80%
|
| 1980 | Winning | 80%
|
| 1975 | Winning | 80%
|
| 1974 | Winning | 80%
|
| 1973 | Winning | 80%
|
| 1966 | Winning | 60%
|
| 1965 | Winning | 60%
|
| 1964 | Winning | 60%
|
| 1963 | Winning | 60%
|
| 1962 | Winning | 60%
|
| 1961 | Losing | 40%
|
| 1960 | Losing | 40%
|