Region
United States --
United States
1,349
China --
134
China
114
Japan --
97
Soviet Union --
93
Japan
87
Soviet Union
79
United states --
69
Europe --
68
Asia
60
Europe
58
Asia --
51
Middle East
46
Middle East --
41
Great Britain --
37
Latin America
32
Latin America --
32
East Asia --
31
Israel --
31
Israel
29
Developing countries
28
East Asia
28
Iran --
23
Great Britain
21
Iraq
20
India
19
India --
19
Iran
19
Iraq --
19
Asia, Southeastern --
18
Australia --
18
Developing countries --
18
Taiwan --
18
Asia, Southeastern
17
Canada --
16
Pacific Area --
16
Central America --
15
Mexico --
15
Russia --
15
Russia
14
Russia (Federation) --
14
Taiwan
14
Afghanistan --
13
Australia
13
Malaysia
13
Pacific Area
13
Russia (Federation)
13
Southeast Asia --
13
Afghanistan
12
more ...