Subject Region
United States
430
China
90
Europe
79
Great Britain
68
European Union countries
48
Soviet Union
43
Japan
41
Middle East
34
Asia
32
Canada
32
Germany
29
Russia (Federation)
28
Developing countries
27
Iran
25
India
21
Australia
20
East Asia
19
Israel
19
Latin America
18
France
17
Southeast Asia
17
Africa
16
Cuba
12
Taiwan
12
Iraq
10
Russia
10
Western countries
10
Turkey
9
Germany (West)
8
Pacific Area
8
Brazil
7
Europe, Eastern
7
Mediterranean Region
7
Netherlands
7
Pakistan
7
South Africa
7
Sudan
7
Egypt
6
Europe, Western
6
Greece
6
Korea (North)
6
South Asia
6
Baltic States
5
Arab countries
4
Darfur
4
England
4
Germany (East)
4
Islamic countries
4
Korea (South)
4
Saudi Arabia
4
more ...