Region
Europe, Eastern --
Russia (Federation) --
12
Europe, Eastern
6
Asia, Central --
5
Russia (Federation)
5
Former Soviet republics
2
Former Soviet republics --
2
Asia, Central
1
China
1
China --
1
German reunification question (1949-)
1
Germany (West)
1
Germany (West) --
1
United States
1
United States --
1