Geographic Subject
Germany (West)
2,023
Germany
1,438
France
422
Switzerland
262
United States
154
4.415
150
Netherlands
141
Great Britain
133
Russia (Federation)
123
European Economic Community countries
101
Italy
94
Europe
72
Greece
70
Sweden
60
Soviet Union
57
Germany (East)
56
Spain
53
Schweiz
50
China
48
Rome
48
Indonesia
47
Russia
46
Deutschland
45
Turkey
39
4.210
38
Austria
37
North Rhine-Westphalia
36
Iran
35
Korea (South)
35
Finland
34
Egypt
32
European Union countries
31
South Africa
29
Korea
28
Paris
28
Prussia
28
Bavaria
26
Hamburg
26
England
24
Baden-Württemberg
23
Berlin
22
Brazil
22
India
22
Poland
22
Allemagne
20
Developing countries
19
Japan
19
4
18
Belgium
18
Colombia
18
more ...