| Year | Answer | % Correct |
|---|---|---|
| 1957 | Russia (USSR) | 100%
|
| 1961 | United States | 100%
|
| 2003 | China | 98%
|
| 1992 | Japan | 94%
|
| 1965 | France | 93%
|
| 2013 | India | 92%
|
| 2012 | Iran | 45%
|
| 2019 | Israel | 41%
|
| 2009 | North Korea | 39%
|