| Year | Answer | % Correct |
|---|---|---|
| 2023 | SF-23 | 79%
|
| 2024 | SF-24 | 78%
|
| 2004 | F2004 | 72%
|
| 2002 | F2001B/F2002 | 69%
|
| 2003 | F2002/F2003-GA | 69%
|
| 2021 | SF21 | 67%
|
| 2001 | F2001 | 65%
|
| 2005 | F2004M/F2005 | 65%
|
| 2020 | SF1000 | 62%
|
| 2007 | F2007 | 57%
|
| 2008 | F2008 | 53%
|
| 2019 | SF90 | 52%
|
| 2010 | F10 | 47%
|
| 2022 | F1-75 | 46%
|
| 2012 | F2012 | 44%
|
| 2000 | F1-2000 | 42%
|
| 2014 | F14 T | 42%
|
| 2011 | F150 | 42%
|
| 1975 | 312B3-74/312T | 37%
|
| 1976 | 312T/312T2 | 37%
|
| 2018 | SF71H | 36%
|
| 2017 | SF70H | 33%
|
| 1999 | F399 | 32%
|
| 1958 | 156/246 | 31%
|
| 1959 | 156/246 | 31%
|
| 1978 | 312T2/312T3 | 31%
|
| 1979 | 312T3/312T4/312T4B | 31%
|
| 1980 | 312T5 | 31%
|
| 1989 | 640 | 30%
|
| 1990 | 641 | 30%
|
| 1991 | 642/642-2/643 | 30%
|
| 1961 | 156 | 28%
|
| 1962 | 156 | 28%
|
| 1963 | 156 | 28%
|
| 1964 | 156/158/1512 | 28%
|
| 1998 | F300 | 28%
|
| 2009 | F60 | 28%
|
| 2016 | SF16-H | 28%
|
| 2015 | SF15-T | 27%
|
| 1950 | 125/166F2-50/275/375 | 26%
|
| 1970 | 312B | 26%
|
| 1971 | 312B/312B2 | 26%
|
| 1987 | F1-87 | 26%
|
| 2013 | F138 | 25%
|
| 1986 | F1-86 | 25%
|
| 1996 | F310 | 25%
|
| 1995 | 412T2 | 23%
|
| 1994 | 412T1/412T1B | 22%
|
| 1965 | 158/1512 | 21%
|
| 1960 | 246/246P | 21%
|
| 1966 | 246/312-66 | 21%
|
| 2006 | 248 F1 | 21%
|
| 1953 | 500/553 | 21%
|
| 1954 | 500/553/625 | 21%
|
| 1955 | 555/625/D50 | 21%
|
| 1956 | 555/D50 | 21%
|
| 1982 | 126C2 | 20%
|
| 1983 | 126C2B/126C3 | 20%
|
| 1973 | 312B2/312B3 | 20%
|
| 1952 | 500/166F2 | 20%
|
| 1984 | 126C4 | 19%
|
| 1951 | 375 | 19%
|
| 1972 | 312B2 | 17%
|
| 1997 | F310B | 17%
|
| 1981 | 126CK | 16%
|
| 1992 | F92A/F92AT | 16%
|
| 1993 | F93A | 16%
|
| 1985 | 156-85 | 14%
|
| 1957 | 801 | 14%
|
| 1967 | 312-66/312-67 | 11%
|
| 1968 | 312-67/312-67-68/312-68 | 11%
|
| 1969 | 312-68/312-69 | 11%
|
| 1977 | 312T2B | 11%
|
| 1974 | 312B3-74 | 10%
|
| 1988 | F1-87-88C | 10%
|