Region
United States --
155
United States
118
Soviet Union --
53
Soviet Union
49
Great Britain --
31
Great Britain
22
China --
21
Japan --
21
Europe --
19
United states --
14
Germany --
13
Asia
12
China
12
Japan
12
Asia --
11
India --
11
Latin America --
11
Europe
10
Germany
10
India
10
Asia, Southeastern --
9
Israel --
8
Latin America
8
Malaysia
8
Russia
8
South Africa --
8
Asia, Southeastern
7
France --
7
Middle East
7
Middle East --
7
Russia --
7
South Africa
7
Australia --
6
East Asia --
6
France
6
Argentina
5
Argentina --
5
Central America
5
Central America --
5
East Asia
5
Indonesia
5
Israel
5
Romania --
5
Turkey
5
Turkey --
5
United Nations
5
Africa, Southern --
4
Developing countries
4
Europe, Eastern
4
Indonesia --
4
more ...