| Year | Country | % Correct |
|---|---|---|
| 1807 | United Kingdom | 97%
|
| 1818 | France | 92%
|
| 1820 | Spain | 84%
|
| 1818 | Portugal | 76%
|
| 1335 | Sweden | 75%
|
| 1274 | Norway | 73%
|
| 1723 | Russia | 72%
|
| 1814 | Netherlands | 71%
|
| 1347 | Poland | 62%
|
| 1590 | Japan | 59%
|
| 1824 | Mexico | 56%
|
| 1786 | Australia | 46%
|
| 1804 | Haiti | 39%
|
| 1588 | Lithuania | 34%
|
| 1823 | Chile | 29%
|
| 1816 | Estonia | 26%
|
| 1817 | Venezuela | 23%
|
| 1822 | Liberia | 15%
|
| 1574 | Philippines | 13%
|
| 1787 | Sierra Leone | 4%
|