| Year(s) | Answer | % Correct |
|---|---|---|
| 1978,1979 | France | 100%
|
| 1978(3) | Germany | 100%
|
| 1980 | Italy | 100%
|
| 1980 | Spain | 100%
|
| 1977 | United Kingdom | 100%
|
| 1978 | India | 95%
|
| 1979,1980 | Japan | 95%
|
| 1979 | Mexico | 95%
|
| 1978 | Belgium | 90%
|
| 1977 | Poland | 90%
|
| 1977 | Switzerland | 90%
|
| 1979 | Austria | 85%
|
| 1978 | Brazil | 80%
|
| 1979 | Israel | 80%
|
| 1979 | South Korea | 80%
|
| 1977 | Iran | 75%
|
| 1980 | Portugal | 75%
|
| 1978,1979(2) | Egypt | 70%
|
| 1978 | Saudi Arabia | 65%
|
| 1978 | Venezuela | 60%
|
| 1978 | Panama | 55%
|
| 1980 | Vatican City | 35%
|
| 1978 | Nigeria | 30%
|
| 1980 | Serbia | 20%
|
| 1978 | Liberia | 5%
|