Region
Afghanistan
5
Asia
1
Asia, Central
1
Balkan Peninsula
15
Belarus
1
Budapest (Hungary)
1
Caucasus
1
China
3
Czech Republic
5
Czechoslovakia
2
Developing countries
4
Estonia
1
Europe
64
Europe, Central
20
Europe, Eastern
81
Europe, Southern
1
Europe, Western
15
European Economic Community countries
1
European Union countries
11
Former Soviet republics
15
Former Yugoslav republics
1
Former communist countries
1
Förenta staterna
1
Germany
6
Germany (East)
1
Great Britain
2
Hungary
18
Indiana
1
Iraq
1
Israel
1
Japan
27
Kosovo (Republic)
2
Middle East
1
North Macedonia
1
Pacific Area
1
Paraguay
1
Poland
19
Romania
10
Russia
1
Russia (Federation)
9
Serbia
1
Slovakia
1
South Africa
7
Southeast Asia
1
USA
1
Ukraine
1
United States
73
Western countries
2
Yugoslavia
1
États-Unis
2