Geographic Subject
United States
72
Switzerland
29
Etats-Unis
6
Suisse
5
7.150
4
4.480
3
Germany
3
Germany (West)
3
4.415
2
Europe
2
European Union countries
2
Great Britain
2
4
1
Africa
1
China
1
Developing countries
1
Egypt
1
Europe, German-speaking
1
Middle East
1
New Clarus (Wis.)
1
Pays de la Cee
1
South Asia
1
États-Unis
1