| Year | Country/Territory | % Correct |
|---|---|---|
| 1990 | 1992 | 2004 | 2015 | Germany | 95%
|
| 1975 | Japan | 95%
|
| 1952 | 1972 | 1983 | 1991 | Kenya | 95%
|
| 1957 | 1959 | 1976 | +3 others | United States | 95%
|
| 1965 | 1978 | 1987 | West Germany | 95%
|
| 1954 | 1963 | 1970 | +13 others | Australia | 90%
|
| 1957 | 1959 | 1963 | +21 others | Canada | 90%
|
| 1986 | China | 90%
|
| 1957 | 1979 | Denmark | 90%
|
| 1957 | 1972 | 1992 | +3 others | France | 90%
|
| 1961 | 1983 | 1997 | India | 90%
|
| 2011 | Ireland | 90%
|
| 1961 | 1980 | 2000 | 2014 | Italy | 90%
|
| 1953 | 1963 | 1970 | +7 others | New Zealand | 90%
|
| 1955 | 1981 | 2001 | Norway | 90%
|
| 1979 | Saudi Arabia | 90%
|
| 1995 | 1999 | South Africa | 90%
|
| 1956 | 1983 | Sweden | 90%
|
| 1979 | Tanzania | 90%
|
| Born | United Kingdom | 90%
|
| 1976 | 1994 | Finland | 86%
|
| 1958 | 1988 | 2007 | Netherlands | 86%
|
| 1979 | 2010 | Oman | 86%
|
| 1994 | Russia | 86%
|
| 1966 | 1993 | 1998 | 2007 | Belgium | 81%
|
| 1953 | 1966 | 1975 | +3 others | Jamaica | 81%
|
| 1956 | 2003 | Nigeria | 81%
|
| 1996 | Poland | 81%
|
| 1957 | 1985 | Portugal | 81%
|
| 1999 | South Korea | 81%
|
| 1979 | 2010 | United Arab Emirates | 81%
|
| 1968 | Brazil | 76%
|
| 1972 | 1989 | 1998 | Malaysia | 76%
|
| 1975 | 1983 | Mexico | 76%
|
| 1979 | Qatar | 76%
|
| 1980 | Switzerland | 76%
|
| 1953 | 1970 | 1977 | Tonga | 76%
|
| 1954 | 2007 | Uganda | 76%
|
| 1983 | Bangladesh | 71%
|
| 1953 | 1963 | 1970 | +3 others | Fiji | 71%
|
| 1961 | 1999 | Ghana | 71%
|
| 1979 | Kuwait | 71%
|
| 1961 | 1997 | Pakistan | 71%
|
| 1966 | Saint Christopher-Nevis-Anguilla | 71%
|
| 1985 | Saint Kitts & Nevis | 71%
|
| 1972 | 1989 | 2006 | Singapore | 71%
|
| 1972 | 1996 | Thailand | 71%
|
| 1982 | Tuvalu | 71%
|
| 1979 | Zambia | 71%
|
| 1991 | Zimbabwe | 71%
|
| 1977 | American Samoa | 67%
|
| 1969 | Austria | 67%
|
| 1966 | 1975 | 1977 | +2 others | Barbados | 67%
|
| 1954 | Ceylon | 67%
|
| 1976 | Luxembourg | 67%
|
| 1991 | Namibia | 67%
|
| 1974 | New Hebrides | 67%
|
| 1966 | 1985 | Saint Lucia | 67%
|
| 1981 | Sri Lanka | 67%
|
| 1965 | Sudan | 67%
|
| 1971 | 2008 | Turkey | 67%
|
| 1977 | Western Samoa | 67%
|
| 1980 | Algeria | 62%
|
| 1985 | 1994 | Belize | 62%
|
| 1979 | Botswana | 62%
|
| 1996 | Czechia | 62%
|
| 2006 | Estonia | 62%
|
| 1961 | Gambia | 62%
|
| 1990 | Iceland | 62%
|
| 1974 | Indonesia | 62%
|
| 1961 | Iran | 62%
|
| 1961 | 1986 | Nepal | 62%
|
| 1966 | 1985 | Saint Vincent & the Grenadines | 62%
|
| 2008 | Slovakia | 62%
|
| 1972 | Yugoslavia | 62%
|
| 1966 | 1975 | 1977 | 1994 | Bahamas | 57%
|
| 1979 | Bahrain | 57%
|
| 1965 | Ethiopia | 57%
|
| 1993 | Hungary | 57%
|
| 1985 | Inagua, Bahamas | 57%
|
| 1984 | Jordan | 57%
|
| 2006 | Latvia | 57%
|
| 2006 | Lithuania | 57%
|
| 1954 | 1967 | 1992 | +3 others | Malta | 57%
|
| 1980 | Morocco | 57%
|
| 1961 | 1980 | 2000 | 2014 | Vatican City | 57%
|
| 1954 | Aden | 52%
|
| 1966 | 1994 | Dominican Republic | 52%
|
| 1982 | Kiribati | 52%
|
| 1980 | Tunisia | 52%
|
| 1972 | 1998 | Brunei | 48%
|
| 1968 | Chile | 48%
|
| 1961 | 1983 | 1984 | 1993 | Cyprus | 48%
|
| 1966 | 1985 | Grenada | 48%
|
| 1954 | Libya | 48%
|
| 1979 | Malawi | 48%
|
| 1972 | Maldives | 48%
|
| 1982 | Nauru | 48%
|
| 1953 | Panama | 48%
|
| 1961 | Sierra Leone | 48%
|
| 1974 | 1982 | Solomon Islands | 48%
|
| 1966 | 1985 | 2009 | Trinidad & Tobago | 48%
|
| 1966 | Antigua | 43%
|
| 1977 | 1985 | Antigua & Barbuda | 43%
|
| 1972 | Mauritius | 43%
|
| 1999 | Mozambique | 43%
|
| 2008 | Slovenia | 43%
|
| 1966 | British Guiana | 38%
|
| 1994 | Guyana | 38%
|
| 1961 | Liberia | 38%
|
| 1974 | 1977 | 1982 | Papua New Guinea | 38%
|
| 1975 | 1986 | Hong Kong | 33%
|
| 1972 | Seychelles | 29%
|
| 1985 | Dominican Republic | 24%
|
| 1954 | Gibraltar | 24%
|
| 1953 | 1975 | 1983 | +2 others | Bermuda | 14%
|
| 1983 | 1994 | Cayman Islands | 14%
|
| 1974 | Norfolk Island | 14%
|
| 1994 | Anguilla | 10%
|
| 1974 | Cook Islands | 10%
|
| 1966 | Montserrat | 10%
|
| 1966 | 1977 | British Virgin Islands | 5%
|
| 1954 | Cocos (Keeling) Islands | 5%
|
| 1966 | Turks & Caicos Islands | 5%
|
| 1961 | 1993 | Akrotiri & Dhekelia | 0%
|