| Time | Country | % Correct |
|---|---|---|
| 1949 - Present | People's Republic of China | 100%
|
| 1891 - 1898 | Qing Dynasty | 100%
|
| 1922 - 1938 | Republic of China | 100%
|
| 1945 - 1949 | Republic of China | 100%
|
| 1914 - 1922 | Empire of Japan | 94%
|
| 1938 - 1945 | Empire of Japan | 94%
|
| 1898 - 1914 | German Empire | 80%
|