| Pays | Date | % Correct |
|---|---|---|
| Algérie | 1962 | 90%
|
| Rwanda | 1962 | 90%
|
| États-Unis | 1776 | 88%
|
| Inde | 1947 | 61%
|
| Haïti | 1804 | 49%
|
| Mozambique | 1975 | 39%
|
| Ghana | 1957 | 37%
|
| Mexique | 1821 | 29%
|
| Brésil | 1822 | 29%
|
| Namibie | 1990 | 29%
|