Region
United States --
594
United States
416
China --
155
Soviet Union --
120
Soviet Union
108
China
106
Japan --
89
United states --
74
Japan
63
Europe --
59
Great Britain --
58
Asia
53
Asia --
49
India --
49
Europe
48
Malaysia --
45
Great Britain
42
Malaysia
41
India
38
Middle East
33
Middle East --
33
Southeast Asia
33
Southeast Asia --
31
Asia, Southeastern --
29
Israel --
29
Israel
28
Asia, Southeastern
25
East Asia --
24
Indonesia
22
Indonesia --
22
Developing countries
21
East Asia
21
Germany --
21
Iran --
21
Latin America --
21
Taiwan --
21
Russia (Federation) --
18
Singapore
18
Australia --
17
Iran
17
Singapore --
17
Africa --
16
Latin America
16
Russia
16
Taiwan
16
Australia
15
Russia (Federation)
15
Europe, Eastern
14
Europe, Eastern --
14
Germany
14
more ...