Source: University of Stockholm
See also
Countries:
- Algeria
- Andorra
- Belgium
- Benin
- Burkina Faso
- Burundi
- Cambodia
- Cameroon
- Canada
- Central African Republic
- Chad
- Comoros
- Congo
- Democratic Republic of the Congo
- Djibouti
- Egypt
- Equatorial Guinea
- France
- French Guiana
- French Polynesia
- Gabon
- Guadeloupe
- Guinea
- Haiti
- Italy
- Ivory Coast
- Laos
- Lebanon
- Luxembourg
- Madagascar
- Mali
- Martinique
- Mauritania
- Mauritius
- Monaco
- Morocco
- New Caledonia
- Niger
- Nigeria
- Réunion
- Romania
- Rwanda
- Senegal
- Seychelles
- Switzerland
- Syria
- Togo
- Tunisia
- United States
- Vanuatu
- Vietnam