Region
2
2
4
1
Asia, Central
1
Balkan Peninsula
1
Balkans (Région)
1
Central Asia
1
Central Europe
9
Communist countries
2
Czech Republic
2
Developing countries
1
Eastern Europe
38
Eurasia
1
Eurasie
1
Europe
4
Europe centrale
4
Europe de l'Est
6
Europe orientale
3
Europe, Central
9
Europe, Eastern
Europe, Southern
1
Ex-URSS
1
Former Soviet republics
6
Hungary
1
Lithuania
1
Oost-Europakunde
1
Pays en voie de développement
1
Russia (Federation)
4
Russie
3
Slovenia
1
Slovénie (Yougoslavie)
1
Southern Europe
1
Soviet Union
9
URSS
1
United States
1