Region
United States --
United States
437
China --
40
United states --
39
Soviet Union --
33
China
30
Japan --
28
Soviet Union
28
Europe --
27
Japan
27
Europe
22
Asia
14
East Asia --
14
Great Britain --
14
Israel --
14
Middle East
14
Middle East --
14
East Asia
13
Israel
13
Asia --
11
Developing countries
10
Great Britain
10
Taiwan
10
Taiwan --
10
Canada --
8
India
8
India --
8
Iraq
8
Panama --
8
Arab countries --
7
Iran
7
Iran --
7
Iraq --
7
Panama
7
Southeast Asia
7
Southeast Asia --
7
Developing countries --
6
Korea
6
Korea --
6
Latin America
6
Mexico
6
Mexico --
6
Pacific Area
6
Pacific Area --
6
United Nations
6
Afghanistan --
5
Cambodia --
5
Latin America --
5
Pacific area
5
Pacific area --
5
more ...