Region
Europe, Eastern
27
Europe, Eastern --
21
Former Soviet republics
6
Former Soviet republics --
5
Central Europe
2
Russia (Federation)
2
Russia (Federation) --
2
Asia
1
Asia --
1
Asia, Central
1
Asia, Central --
1
China
1
China --
1
Developing countries --
1
East Asia
1
East Asia --
1
Europe, Central
1
Europe, Central --
1
Europe, Eastern --
1
Europe, Eastern - --
1
Former Soviet Republics
1