Region
United States --
United States
1,267
China --
117
China
106
Japan --
94
Soviet Union --
93
Japan
84
Soviet Union
77
United states --
69
Europe --
64
Europe
53
Asia
50
Asia --
45
Middle East
42
Middle East --
37
Great Britain --
34
Latin America
31
Latin America --
31
East Asia --
28
Developing countries
27
East Asia
26
Israel --
26
Israel
23
Great Britain
21
Iran --
19
India
18
India --
18
Asia, Southeastern --
17
Developing countries --
17
Asia, Southeastern
16
Iran
16
Taiwan --
16
Central America --
15
Pacific Area --
15
Russia --
15
Iraq
14
Mexico --
14
Russia (Federation) --
14
Taiwan
14
Australia --
13
Canada --
13
Iraq --
13
Russia (Federation)
13
Afghanistan --
12
Central America
12
Mexico
12
Philippines
12
Philippines --
12
Russia
12
Southeast Asia --
12
more ...