Region
Germany
6
France
5
Europe
3
India
3
Switzerland
2
2
1
Athens
1
Athènes
1
Athènes (Grèce)
1
Bengal
1
Besançon
1
Besançon (France)
1
Catalonia (Spain)
1
Cataluña, España
1
Denmark
1
Developing countries
1
Düsseldorf (Germany)
1
England
1
Germany (East)
1
Great Britain
1
Greece
1
Grèce
1
Hungary
1
Iceland
1
Italy
1
Kragujevac
1
Kragujevac (Serbia)
1
London
1
Lübeck
1
Lübeck (Germany)
1
Paris
1
Paris (France)
1
Piacenza
1
Piacenza (Italy)
1
Serbia
1
Spain
1
United States
1
Zurich (Canton)
1
Zurich (Switzerland : Canton)
1