| Year | Country | % Correct |
|---|---|---|
| 1860 | United Kingdom | 97%
|
| 1870 | United Kingdom | 97%
|
| 1800 | Netherlands | 80%
|
| 1810 | Netherlands | 80%
|
| 1820 | Netherlands | 80%
|
| 1830 | Netherlands | 80%
|
| 1840 | Netherlands | 80%
|
| 1850 | Netherlands | 80%
|
| 1890 | Switzerland | 79%
|
| 1900 | Switzerland | 79%
|
| 1910 | Switzerland | 79%
|
| 1920 | Switzerland | 79%
|
| 1930 | Switzerland | 79%
|
| 1940 | Switzerland | 79%
|
| 1880 | Australia | 77%
|
| 1970 | Qatar | 76%
|
| 2000 | Qatar | 76%
|
| 2010 | Qatar | 76%
|
| 2020 | Qatar | 76%
|
| 1980 | United Arab Emirates | 72%
|
| 1990 | United Arab Emirates | 72%
|
| 1950 | Brunei | 46%
|
| 1960 | Brunei | 46%
|