| Year(s) | Answer | % Correct |
|---|---|---|
| 1964,1966,1967 | Canada | 100%
|
| 1966(2),1967 | Mexico | 100%
|
| 1966,1967 | Australia | 92%
|
| 1967 | Germany | 88%
|
| 1967 | Italy | 88%
|
| 1966 | New Zealand | 81%
|
| 1966 | South Korea | 77%
|
| 1966 | Philippines | 65%
|
| 1967 | Vatican City | 65%
|
| 1966 | Vietnam | 65%
|
| 1968 | Guatemala | 62%
|
| 1966,1967 | Thailand | 62%
|
| 1968 | Costa Rica | 58%
|
| 1968 | Nicaragua | 58%
|
| 1968 | El Salvador | 54%
|
| 1968 | Honduras | 54%
|
| 1966 | Malaysia | 46%
|
| 1967 | Pakistan | 38%
|
| 1967 | Suriname | 15%
|
| 1967 | Uruguay | 15%
|