| Country | % Correct |
|---|---|
| United States | 100%
|
| China | 99%
|
| France | 98%
|
| Great Britain | 97%
|
| Germany | 96%
|
| West Germany | 96%
|
| Japan | 95%
|
| Russia | 94%
|
| Australia | 92%
|
| Canada | 90%
|
| Italy | 90%
|
| Soviet Union | 83%
|
| Greece | 79%
|
| Sweden | 75%
|
| Finland | 58%
|
| East Germany | 57%
|
| Belgium | 56%
|
| Hungary | 54%
|
| Romania | 51%
|
| Bulgaria | 38%
|