Subject Region
United States
1,689
Cuba
760
Europe
513
Latin America
266
Great Britain
256
Spain
224
China
203
Developing countries
201
Canada
178
Asia
155
Espana
151
European Union countries
144
Middle East
142
Germany
139
India
127
Africa
126
Mexico
112
Rome
112
Greece
108
Europe, Eastern
100
America Latina
97
England
88
Japan
86
East Asia
84
Egypt
78
Mediterranean Region
76
France
74
Italy
73
Pacific Area
58
Southeast Asia
57
America
51
North America
51
Australia
46
Israel
44
Russia (Federation)
44
Portugal
43
Caribbean Area
42
Southern States
42
Ireland
35
Europe, Central
34
Balkan Peninsula
33
Soviet Union
33
Turkey
32
Africa, Sub-Saharan
28
Netherlands
28
Palestine
25
Iran
24
Arctic regions
23
Asia, Central
23
Scandinavia
23
more ...