| Date Adopted | Country | % Correct |
|---|---|---|
| 1795 | France | 94%
|
| 1745 | United Kingdom | 94%
|
| 1770 | Spain | 87%
|
| 1831 | Brazil | 78%
|
| 1866 | Sweden | 78%
|
| 1835 | Denmark | 74%
|
| 1813 | Argentina | 68%
|
| 1886 | Colombia | 66%
|
| 1830 | Belgium | 65%
|
| 1847 | Chile | 65%
|
| 1848 | Uruguay | 65%
|
| 1865 | Greece | 63%
|
| 1821 | Peru | 62%
|
| 1881 | Venezuela | 62%
|
| 1852 | Bolivia | 60%
|
| 1894 | San Marino | 50%
|
| 1896 | Guatemala | 47%
|
| 1853 | Costa Rica | 46%
|
| 1879 | El Salvador | 40%
|
| 1848 | Monaco | 34%
|
| 1898 | Philippines | 28%
|
| 1847 | Liberia | 24%
|
| 1875 | Tonga | 7%
|