| Date | Answer | % Correct |
|---|---|---|
| 05/18/1991 | United Kingdom | 100%
|
| 05/05/1961 | United States of America | 100%
|
| 03/30/2006 | Brazil | 96%
|
| 10/15/2003 | China | 96%
|
| 06/24/1982 | France | 96%
|
| 07/31/1992 | Italy | 96%
|
| 12/02/1990 | Japan | 96%
|
| 11/26/1985 | Mexico | 96%
|
| 03/17/1992 | Russia | 96%
|
| 04/08/2008 | South Korea | 96%
|
| 10/29/1998 | Spain | 96%
|
| 12/10/2006 | Sweden | 96%
|
| 10/05/1984 | Canada | 91%
|
| 04/03/1984 | India | 91%
|
| 09/19/2006 | Iran | 87%
|
| 06/27/1978 | Poland | 87%
|
| 06/17/1985 | Saudi Arabia | 87%
|
| 07/31/1992 | Switzerland | 87%
|
| 11/19/1997 | Ukraine | 87%
|
| 03/24/1992 | Belgium | 83%
|
| 07/10/1979 | Bulgaria | 83%
|
| 09/02/2015 | Denmark | 83%
|
| 09/02/2015 | Kazakhstan | 83%
|
| 05/14/1981 | Romania | 83%
|
| 10/02/1991 | Austria | 78%
|
| 05/26/1980 | Hungary | 78%
|
| 10/30/1985 | Netherlands | 78%
|
| 04/25/2002 | South Africa | 78%
|
| 09/25/2019 | United Arab Emirates | 78%
|
| 04/12/1961 | USSR | 78%
|
| 07/23/1980 | Vietnam | 74%
|
| 01/16/2003 | Israel | 70%
|
| 09/18/1980 | Cuba | 65%
|
| 03/02/1978 | Czechoslovakia | 65%
|
| 10/10/2007 | Malaysia | 65%
|
| 03/22/1980 | Mongolia | 52%
|
| 08/26/1978 | East Germany | 48%
|
| 07/22/1987 | Syria | 48%
|
| 11/28/1983 | West Germany | 48%
|
| 08/29/1988 | Afghanistan | 43%
|
| 02/10/1999 | Slovakia | 39%
|