Region
United States --
823
United States
528
United states --
72
China --
67
China
60
Soviet Union --
46
Soviet Union
42
Middle East
32
Middle East --
30
Asia
29
Europe --
29
Asia --
28
Japan --
26
Europe
25
Japan
25
Great Britain --
19
Israel
19
Israel --
17
Latin America
15
Iran --
13
Latin America --
13
Iran
12
Asia, Southeastern
11
Asia, Southeastern --
11
Central America --
11
Developing countries
11
East Asia
11
Great Britain
11
India
11
India --
11
Taiwan --
11
Central America
10
Developing countries --
9
East Asia --
9
Taiwan
9
Afghanistan
8
Afghanistan --
8
Malaysia
8
Russia (Federation)
8
Russia (Federation) --
8
United Nations
8
Malaysia --
7
Vietnam
7
Vietnam --
7
Europe, Eastern
6
Europe, Eastern --
6
Indonesia
6
Indonesia --
6
Iraq
6
Pacific area --
6
more ...