| Year | % Correct |
|---|---|
| 1998 | 100%
|
| 2002 | 100%
|
| 2006 | 100%
|
| 2010 | 100%
|
| 2014 | 100%
|
| 1948 | 96%
|
| 1952 | 96%
|
| 1956 | 96%
|
| 1960 | 96%
|
| 1964 | 96%
|
| 1968 | 96%
|
| 1972 | 96%
|
| 1976 | 96%
|
| 1980 | 96%
|
| 1984 | 96%
|
| 1988 | 96%
|
| 1992 | 96%
|
| 1994 | 96%
|
| 2018 | 96%
|
| 1936 | 93%
|
| 1924 | 89%
|
| 1928 | 89%
|
| 1932 | 89%
|