Region
United States --
59
United States
52
United states --
17
Soviet Union
14
Soviet Union --
14
Europe --
12
Europe
11
China --
8
East Asia --
7
Developing countries
6
Asia
5
Asia, Southeastern
5
Asia, Southeastern --
5
China
5
East Asia
5
Japan --
5
Southeast Asia --
5
Great Britain
4
Great Britain --
4
India --
4
Africa --
3
Developing countries --
3
India
3
Japan
3
Afghanistan
2
Afghanistan --
2
Asia --
2
Germany --
2
Indonesia
2
Indonesia --
2
Latin America --
2
Middle East
2
Middle East --
2
Pacific Area
2
Pacific area
2
Russia (Federation) --
2
United Nations
2
United States - --
2
ASEAN countries --
1
Africa, Northeast
1
Africa, Northeast --
1
Asia Pacific
1
Australia
1
Britain
1
Britain --
1
Developing countries - --
1
Egypt
1
Egypt --
1
Ethiopia
1
Ethiopia --
1
more ...