Subject Region
United States
583
Great Britain
210
European Union countries
117
Spain
82
Mexico
74
Espana
66
Canada
48
Europe
45
Germany
41
Colombia
32
Italy
28
France
27
Scotland
26
Ecuador
25
England
24
Chile
17
India
17
South Africa
17
Argentina
16
Latin America
16
Peru
15
Europe, Eastern
14
China
13
Africa
11
America Latina
11
Kansas
11
Australia
9
Commonwealth countries
9
Cuba
8
Ireland
8
Israel
8
Japan
8
Hungary
7
Asia
6
Hong Kong
6
Iran
6
Iraq
6
Poland
6
Russia (Federation)
6
Virginia
6
Belgium
5
Bolivia
5
Europa
5
Illinois
5
Luxembourg
5
New Hampshire
5
Norway
5
America
4
Germany (West)
4
Kenya
4
más ...