Region
United States
178
Europe, Eastern
153
Japan
99
Europe
93
Europe, Central
34
Former Soviet republics
31
Hungary
31
Russia (Federation)
30
Poland
24
Romania
20
Balkan Peninsula
19
Europe, Western
18
European Union countries
16
Germany
13
China
9
Czech Republic
8
Developing countries
8
South Africa
8
Afghanistan
6
Bulgaria
6
East Asia
6
Middle East
6
Soviet Union
6
Asia
5
BRIC countries
4
Former communist countries
4
Iraq
4
Southeast Asia
4
Czechoslovakia
3
Great Britain
3
Western countries
3
États-Unis
3
Belarus
2
Bosnia and Herzegovina
2
Cuba
2
India
2
Kosovo (Republic)
2
Libya
2
Pacific Area
2
Russia
2
USA
2
Ukraine
2
Yugoslavia
2
Africa, Southern
1
Argentina
1
Asia, Central
1
Australia
1
Budapest (Hungary)
1
Canada
1
Caribbean Area
1
more ...