Region
United States --
114
United States
68
Soviet Union --
25
Europe --
22
Great Britain --
15
Soviet Union
15
Japan --
14
United states --
14
Asia, Southeastern --
12
Developing countries --
12
Developing countries
11
Germany --
11
Great Britain
10
China --
9
Africa --
7
Asia --
7
East Asia --
7
Europe
7
Korea (North) --
7
Russia (Federation) --
7
France
6
Germany
6
Middle East --
6
Asia
5
China
5
Former Soviet republics --
5
France --
5
Korea (South) --
5
Russia
5
Russia (Federation)
5
Former Soviet republics
4
Korea (North)
4
Malaysia --
4
Middle East
4
Russia --
4
World politics --
4
Yugoslavia --
4
Germany (West) --
3
India --
3
Islamic countries
3
Islamic countries --
3
Japan
3
Pacific Area
3
Pacific Area --
3
Taiwan
3
Taiwan --
3
Asia, Southeastern
2
Canada
2
Europe, Eastern --
2
Foreign countries
2
more ...