| Year | Country | % Correct |
|---|---|---|
| 1928 | Argentina | 95%
|
| 1954 | Cuba | 93%
|
| 1952 | Unites States of America | 93%
|
| 1953 | Bolivia | 89%
|
| 1966 | Bolivia | 89%
|
| 1950 | Brazil | 88%
|
| 1954 | Mexico | 88%
|
| 1952 | Chile | 86%
|
| 1966 | France | 85%
|
| 1952 | Peru | 85%
|
| 1950 | Venezuela | 85%
|
| 1952 | Venezuela | 85%
|
| 1961 | Uruguay | 82%
|
| 1964 | China | 81%
|
| Unknown | Paraguay | 81%
|
| 1966 | Spain | 80%
|
| 1952 | Colombia | 78%
|
| 1952 | Ecuador | 77%
|
| 1952 | Panama | 76%
|
| 1960 | Germany | 75%
|
| 1966 | Italy | 74%
|
| 1953 | Nicaragua | 74%
|
| 1954 | Guatemala | 71%
|
| Unknown | Guyana | 71%
|
| 1953 | Honduras | 71%
|
| 1959 | Japan | 71%
|
| Unknown | Suriname | 69%
|
| 1953 | El Salvador | 68%
|
| 1953 | Costa Rica | 67%
|
| 1959 | Egypt | 65%
|
| 1959 | India | 65%
|
| 1960 | The Soviet Union | 63%
|
| 1959 | Indonesia | 58%
|
| 1959 | Yugoslavia | 58%
|
| 1964 | Algeria | 56%
|
| 1959 | Greece | 55%
|
| 1960 | North Korea | 55%
|
| 1964 | Ireland | 54%
|
| 1959 | Morocco | 54%
|
| 1959 | Pakistan | 53%
|
| 1959 | Thailand | 52%
|
| 1966 | Austria | 51%
|
| 1966 | Switzerland | 47%
|
| 1960 | Czechoslovakia | 45%
|
| 1960 | Hungary | 45%
|
| 1959 | Sudan | 44%
|
| 1959 | Myanmar | 42%
|
| 1959 | Syria | 42%
|
| 1950 | Trinidad and Tobago | 40%
|
| 1959 | Sri Lanka | 37%
|
| 1964 | Ghana | 35%
|
| 1964 | Mali | 35%
|
| 1964 | Tanzania | 33%
|
| 1959 | Singapore | 32%
|
| 1964 | Guinea | 31%
|
| 1965 | The Democratic Republic of the Congo | 30%
|
| 1964 | Benin | 24%
|
| 1965 | Rwanda | 24%
|
| 1965 | Burundi | 20%
|
| 1964 | The Republic of the Congo | 12%
|