| Year | Country | % Correct |
|---|---|---|
| 1781 | United States | 99%
|
| 1688 | United Kingdom / England | 98%
|
| 1945 | France | 95%
|
| 1867 | Canada | 91%
|
| 1809 | Sweden | 88%
|
| 1901 | Australia | 87%
|
| 1945 | Norway | 87%
|
| 1945 | Italy | 85%
|
| 1917 | Finland | 83%
|
| 1934 | Mexico | 83%
|
| 1945 | Denmark | 82%
|
| 1945 | Netherlands | 81%
|
| 1945 | Belgium | 80%
|
| 1907 | New Zealand | 80%
|
| 1848 | Switzerland | 79%
|
| 1922 | Ireland | 70%
|
| 1945 | Luxembourg | 69%
|
| 1946 | Iceland | 66%
|
| 1862 | Liechtenstein | 59%
|
| 1945 | San Marino | 57%
|
| 1910 | South Africa | 57%
|
| 1866 | Andorra | 56%
|
| 1945 | Monaco | 54%
|
| 1948 | Israel | 45%
|
| 1948 | Costa Rica | 21%
|
| 1947 | Sri Lanka | 11%
|