| Year | Nation | % Correct |
|---|---|---|
| 1914 | Austria-Hungary | 99%
|
| German Empire | 99%
| |
| United Kingdom | 99%
| |
| Russian Empire | 98%
| |
| France | 96%
| |
| Serbia | 95%
| |
| Ottoman Empire | 93%
| |
| Belgium | 92%
| |
| Empire of Japan | 91%
| |
| Bulgaria | 90%
| |
| 1915 | Kingdom of Italy | 87%
|
| Romania | 85%
| |
| Australia | 82%
| |
| Canada | 81%
| |
| Kingdom of Greece | 80%
| |
| Republic of China | 77%
| |
| New Zealand | 75%
| |
| 1917 | United States | 74%
|
| Montenegro | 73%
| |
| 1916 | Portugal | 73%
|
| Brazil | 70%
| |
| Thailand | 37%
| |
| Nicaragua | 35%
| |
| Honduras | 34%
| |
| Panama | 32%
| |
| Cuba | 31%
| |
| Costa Rica | 30%
| |
| Guatemala | 29%
| |
| Haiti | 27%
| |
| Liberia | 19%
| |
| San Marino | 18%
|