Subject Region
United States
1,740
Great Britain
791
Europe
417
France
348
China
278
Soviet Union
246
Germany
200
Middle East
186
Canada
158
Russia (Federation)
133
Israel
123
Japan
123
Iran
91
Africa
87
Spain
79
India
78
Asia
76
Europe, Eastern
74
European Union countries
74
Turkey
72
Latin America
71
Ireland
61
England
59
South Africa
58
Arab countries
56
Korea (North)
55
Pakistan
51
Cuba
50
Netherlands
47
East Asia
46
Central America
43
Southeast Asia
43
Ukraine
42
Scotland
41
Iraq
40
Vietnam
40
Taiwan
36
Mexico
35
Asia, Central
34
Afghanistan
33
Syria
33
Germany (West)
32
Australia
31
Italy
30
Russia
30
Poland
29
Western countries
29
Caribbean Area
28
Nicaragua
28
Former Soviet republics
26
more ...