| Date | Country | % Correct |
|---|---|---|
| 26 December 1826 | Mexico | 100%
|
| 1 July 1926 | Canada | 88%
|
| 1396 | France | 88%
|
| April 1509 | Spain | 88%
|
| 1 June 1785 | United States | 88%
|
| 1 December 1830 | Belgium | 75%
|
| 1825 | Brazil | 75%
|
| 17 June 1954 | China | 75%
|
| 20 June 1951 | Germany | 75%
|
| 14 August 1947 | India | 75%
|
| 6 December 1922 | Ireland | 75%
|
| 8 June 1891 | Luxembourg | 75%
|
| 10 August 1585 | Netherlands | 75%
|
| 6 October 1960 | Niger | 75%
|
| 1 October 1960 | Nigeria | 75%
|
| 9 May 1386 | Portugal | 75%
|
| 24 August 1553 | Russia | 75%
|
| 22 November 1921 | Afghanistan | 63%
|
| 9 November 1921 | Albania | 63%
|
| 1962 | Algeria | 63%
|
| 2 February 1825 | Argentina | 63%
|
| 22 January 1910 | Australia | 63%
|
| 8 November 1919 | Austria | 63%
|
| 29 September 1840 | Bolivia | 63%
|
| 14 September 1823 | Chile | 63%
|
| 7 July 1960 | Democratic Republicof the Congo | 63%
|
| 1401 | Denmark | 63%
|
| 6 March 1850 | Dominican Republic | 63%
|
| 19 December 1914 | Egypt | 63%
|
| 28 March 1918 | Finland | 63%
|
| 21 November 1828 | Greece | 63%
|
| 1826 | Haiti | 63%
|
| 19 December 1949 | Indonesia | 63%
|
| 13 April 1859 | Italy | 63%
|
| 26 August 1858 | Japan | 63%
|
| 1963 | Kenya | 63%
|
| 24 December 1951 | Libya | 63%
|
| 28 June 1956 | Morocco | 63%
|
| March 1939 | New Zealand | 63%
|
| 14 August 1947 | Pakistan | 63%
|
| 9 April 1908 | Panama | 63%
|
| 4 March 1853 | Paraguay | 63%
|
| 9 December 1960 | Republic of the Congo | 63%
|
| 23 December 1653 | Sweden | 63%
|
| 1891 | Switzerland | 63%
|
| 2 September 1924 | Türkiye | 63%
|
| 10 January 1992 | Ukraine | 63%
|
| 21 February 1833 | Uruguay | 63%
|
| 9 March 1994 | Andorra | 50%
|
| 14 October 1977 | Angola | 50%
|
| 20 January 1992 | Armenia | 50%
|
| 11 March 1992 | Azerbaijan | 50%
|
| 10 July 1973 | Bahamas | 50%
|
| 21 August 1971 | Bahrain | 50%
|
| 30 November 1966 | Barbados | 50%
|
| 27 January 1992 | Belarus | 50%
|
| 21 September 1981 | Belize | 50%
|
| 6 October 1960 | Benin | 50%
|
| 13 April 1992 | Bosnia and Herzegovina | 50%
|
| 30 September 1966 | Botswana | 50%
|
| 1 January 1984 | Brunei | 50%
|
| 23 July 1879 | Bulgaria | 50%
|
| 6 October 1960 | Burkina Faso | 50%
|
| 1 July 1962 | Burundi | 50%
|
| 17 May 1977 | Cabo Verde | 50%
|
| 5 May 1952 | Cambodia | 50%
|
| 1 February 1960 | Cameroon | 50%
|
| 9 December 1960 | Central African Republic | 50%
|
| 9 December 1960 | Chad | 50%
|
| 18 April 1825 | Colombia | 50%
|
| 3 October 1977 | Comoros | 50%
|
| 28 February 1848 | Costa Rica | 50%
|
| 24 June 1992 | Croatia | 50%
|
| 1 October 1960 | Cyprus | 50%
|
| 26 October 1918 | Czech Republic | 50%
|
| 25 January 1978 | Djibouti | 50%
|
| 13 December 1978 | Dominica | 50%
|
| 29 January 1853 | Ecuador | 50%
|
| 1883 | El Salvador | 50%
|
| 20 June 1969 | Equatorial Guinea | 50%
|
| 16 November 1993 | Eritrea | 50%
|
| 5 September 1991 | Estonia | 50%
|
| 6 September 1968 | Eswatini | 50%
|
| 14 May 1897 | Ethiopia | 50%
|
| 9 December 1960 | Gabon | 50%
|
| 1 January 1965 | Gambia | 50%
|
| 27 April 1992 | Georgia | 50%
|
| 6 March 1957 | Ghana | 50%
|
| 12 June 1837 | Guatemala | 50%
|
| 28 May 1959 | Guinea | 50%
|
| 12 March 1975 | Guinea-Bissau | 50%
|
| 16 June 1849 | Honduras | 50%
|
| 22 May 1921 | Hungary | 50%
|
| 8 May 1940 | Iceland | 50%
|
| 28 April 1950 | Israel | 50%
|
| 2 August 1962 | Jamaica | 50%
|
| 17 June 1946 | Jordan | 50%
|
| 19 January 1992 | Kazakhstan | 50%
|
| 18 February 2008 | Kosovo | 50%
|
| 12 June 1992 | Kyrgyzstan | 50%
|
| 5 September 1955 | Laos | 50%
|
| 5 September 1991 | Latvia | 50%
|
| 9 February 1942 | Lebanon | 50%
|
| 4 October 1966 | Lesotho | 50%
|
| 6 February 1992 | Liechtenstein | 50%
|
| 4 September 1991 | Lithuania | 50%
|
| 27 June 1960 | Madagascar | 50%
|
| 6 July 1964 | Malawi | 50%
|
| 31 August 1957 | Malaysia | 50%
|
| 26 July 1965 | Maldives | 50%
|
| 22 March 1961 | Mali | 50%
|
| 21 September 1964 | Malta | 50%
|
| 28 November 1960 | Mauritania | 50%
|
| 12 March 1968 | Mauritius | 50%
|
| 17 January 1992 | Moldova | 50%
|
| 21 September 2007 | Monaco | 50%
|
| 13 June 2006 | Montenegro | 50%
|
| 27 August 1975 | Mozambique | 50%
|
| 7 July 1947 | Myanmar | 50%
|
| 21 March 1990 | Namibia | 50%
|
| 4 March 1816 | Nepal | 50%
|
| 18 January 1859 | Nicaragua | 50%
|
| 12 December 2000 | North Korea | 50%
|
| 16 December 1993 | North Macedonia | 50%
|
| 6 November 1905 | Norway | 50%
|
| 21 May 1971 | Oman | 50%
|
| 5 January 2026 | Palestine | 50%
|
| 16 September 1975 | Papua New Guinea | 50%
|
| 10 October 1823 | Peru | 50%
|
| 4 July 1946 | Philippines | 50%
|
| 15 July 1919 | Poland | 50%
|
| 24 May 1972 | Qatar | 50%
|
| 20 February 1880 | Romania | 50%
|
| 1 July 1962 | Rwanda | 50%
|
| 19 September 1983 | Saint Kitts and Nevis | 50%
|
| 1979 | Saint Lucia | 50%
|
| 27 October 1979 | Saint Vincent and theGrenadines | 50%
|
| 18 November 1998 | San Marino | 50%
|
| 3 December 1979 | São Tomé and Príncipe | 50%
|
| 20 May 1927 | Saudi Arabia | 50%
|
| 20 August 1960 | Senegal | 50%
|
| 7 February 1870 | Serbia | 50%
|
| April 1961 | Sierra Leone | 50%
|
| 9 August 1965 | Singapore | 50%
|
| 1 January 1993 | Slovakia | 50%
|
| 15 January 1992 | Slovenia | 50%
|
| 10 March 1931 | South Africa | 50%
|
| 18 January 1949 | South Korea | 50%
|
| 9 July 2011 | South Sudan | 50%
|
| 22 October 1946 | Sri Lanka | 50%
|
| 3 March 1956 | Sudan | 50%
|
| 31 March 1976 | Suriname | 50%
|
| 9 February 1942 | Syria | 50%
|
| 15 January 1992 | Tajikistan | 50%
|
| 18 April 1855 | Thailand | 50%
|
| 2002 | Timor-Leste | 50%
|
| 27 April 1960 | Togo | 50%
|
| 19 June 1956 | Tunisia | 50%
|
| 23 January 1992 | Turkmenistan | 50%
|
| 9 October 1962 | Uganda | 50%
|
| 6 December 1971 | United Arab Emirates | 50%
|
| 18 February 1992 | Uzbekistan | 50%
|
| 16 January 1982 | Vatican City | 50%
|
| 15 August 1835 | Venezuela | 50%
|
| 11 September 1973 | Vietnam | 50%
|
| 20 January 1951 | Yemen | 50%
|
| 17 October 1964 | Zambia | 50%
|
| 18 April 1980 | Zimbabwe | 50%
|
| 4 February 1972 | Bangladesh | 38%
|
| 12 October 1960 | Côte d'Ivoire | 38%
|
| 20 May 1902 | Cuba | 38%
|
| 31 August 1992 | Federated States of Micronesia | 38%
|
| 10 October 1970 | Fiji | 38%
|
| 7 February 1974 | Grenada | 38%
|
| 26 May 1966 | Guyana | 38%
|
| 5 June 1807 | Iran | 38%
|
| 4 October 1932 | Iraq | 38%
|
| 12 July 1979 | Kiribati | 38%
|
| 22 September 1961 | Kuwait | 38%
|
| 1 August 1849 | Liberia | 38%
|
| 2 February 1992 | Marshall Islands | 38%
|
| 23 January 1963 | Mongolia | 38%
|
| 1 December 1977 | Nauru | 38%
|
| September 1970 | Samoa | 38%
|
| 29 June 1976 | Seychelles | 38%
|
| 7 July 1978 | Solomon Islands | 38%
|
| 7 July 1960 | Somalia | 38%
|
| 9 December 1961 | Tanzania | 38%
|
| 4 June 1970 | Tonga | 38%
|
| 31 August 1962 | Trinidad and Tobago | 38%
|
| 30 July 1980 | Vanuatu | 38%
|
| 1 November 1981 | Antigua and Barbuda | 25%
|
| 16 August 1996 | Palau | 25%
|
| 1 October 1978 | Tuvalu | 25%
|