Region
United States
176
Europe, Eastern
151
Japan
98
Europe
92
Europe, Central
34
Former Soviet republics
30
Hungary
30
Russia (Federation)
30
Poland
24
Romania
19
Balkan Peninsula
18
Europe, Western
18
European Union countries
16
Germany
13
China
9
Czech Republic
8
Developing countries
8
South Africa
8
Afghanistan
6
East Asia
6
Middle East
6
Soviet Union
6
Asia
5
Bulgaria
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
Canada
1
Caribbean Area
1
Caucasus
1
more ...