Region
United States
United States --
739
China --
84
China
70
Soviet Union --
63
Soviet Union
62
United states --
47
Asia
40
Asia --
37
Japan
37
Japan --
37
Middle East
37
Middle East --
34
Europe
30
Europe --
30
Israel --
28
Israel
25
Great Britain --
20
Latin America
19
Latin America --
18
East Asia
17
Great Britain
17
Iran --
17
Developing countries
16
India
16
India --
16
Iran
16
East Asia --
15
Taiwan --
15
Iraq
13
Central America --
12
Iraq --
12
Russia (Federation) --
12
Taiwan
12
Asia, Southeastern
11
Asia, Southeastern --
11
Central America
11
Russia (Federation)
11
Russia
10
Russia --
10
Afghanistan --
9
Cuba
9
Cuba --
9
Developing countries --
9
Vietnam
9
Vietnam --
9
Afghanistan
8
Arab countries --
8
Caribbean Area --
7
Indonesia
7
more ...