Region
United States
7
United States --
7
Burma
3
Burma --
3
Soviet Union
3
Soviet Union --
3
Europe
2
Europe, Eastern
2
Europe, Eastern --
2
Former Soviet republics --
2
Great Britain
2
Great Britain --
2
Arab countries
1
Arab countries --
1
Asia, Southeastern
1
Asia, Southeastern --
1
China
1
China - Social conditions
1
China --
1
Europe --
1
Former Soviet republics
1
Middle East
1
Middle East --
1
Turkey
1
Turkey --
1