Region
United States --
United States
277
United states --
39
China --
30
Soviet Union --
28
Soviet Union
26
China
20
Japan --
16
Japan
15
Europe
13
Europe --
13
Middle East
13
Middle East --
13
Israel
12
Israel --
12
Great Britain --
10
East Asia
9
Taiwan
9
Taiwan --
9
Asia
8
Developing countries
8
East Asia --
8
Great Britain
8
India
8
India --
8
Arab countries --
7
Asia --
7
Iran
7
Iran --
7
Panama --
7
Iraq
6
Panama
6
Cambodia --
5
Developing countries --
5
Iraq --
5
Korea
5
Korea --
5
Latin America
5
Russia (Federation) --
5
Southeast Asia
5
Southeast Asia --
5
United Nations
5
Afghanistan
4
Afghanistan --
4
Arab
4
Latin America --
4
Pacific --
4
Pacific area
4
Russia (Federation)
4
Vietnam
4
more ...