| Country | % Correct |
|---|---|
| USSR | 99%
|
| Japan | 98%
|
| United States | 98%
|
| United Kingdom | 96%
|
| Canada | 95%
|
| China | 95%
|
| East Germany | 95%
|
| France | 95%
|
| Russia | 95%
|
| West Germany | 95%
|
| Spain | 94%
|
| Mexico | 93%
|
| Brazil | 91%
|
| India | 91%
|
| Italy | 90%
|
| South Korea | 88%
|
| Sweden | 86%
|
| Poland | 84%
|
| South Africa | 80%
|
| Belgium | 79%
|
| Netherlands | 79%
|
| Ukraine | 79%
|
| Czechoslovakia | 77%
|
| Switzerland | 77%
|
| Austria | 73%
|
| Hungary | 72%
|
| Iran | 70%
|
| Israel | 70%
|
| Romania | 67%
|
| Vietnam | 67%
|
| Saudi Arabia | 64%
|
| Bulgaria | 63%
|
| Mongolia | 58%
|
| Cuba | 56%
|
| Malaysia | 49%
|
| Slovakia | 49%
|
| Syria | 31%
|
| Afghanistan | 27%
|