Region
United States --
262
United States
203
China --
149
Soviet Union --
114
Great Britain --
113
China
108
Japan --
86
Asia, Southeastern --
78
Great Britain
77
Malaysia --
71
India --
68
Malaysia
68
Indonesia --
66
Soviet Union
66
Asia, Southeastern
54
Asia --
49
Africa --
43
India
40
Asia
37
Australia --
37
Japan
37
Europe --
34
Australia
32
Developing countries
31
Indonesia
30
Africa
29
Developing countries --
27
Middle East --
27
Philippines --
26
Germany --
24
Malaya --
24
Pakistan --
24
Vietnam --
24
Latin America --
20
Malaya
19
Middle East
19
Philippines
18
Russia --
18
Pakistan
17
France --
16
Yugoslavia --
16
Korea (North)
15
Vietnam
15
Burma --
14
East Asia --
14
Germany
14
Arab countries --
13
Canada
13
Canada --
13
Israel --
13
more ...