Region
United States
613
Europe
29
China
28
European Union countries
23
Colorado
22
Japan
18
Switzerland
15
Islamic countries
13
Developing countries
11
Great Britain
11
India
11
Germany
7
Asia
6
Italy
6
Mexico
6
Russia (Federation)
6
England
4
France
4
Latin America
4
Africa
3
Balkan Peninsula
3
California
3
Hong Kong
3
London
3
New York (State)
3
Sweden
3
Brazil
2
Cambodia
2
East Asia
2
Europe, Central
2
Europe, Eastern
2
European Economic Community countries
2
Greece
2
Illinois
2
Kansas
2
Missouri
2
Netherlands
2
Papal States
2
South Africa
2
Afghanistan
1
America
1
Argentina
1
Arkansas River Valley
1
Athens
1
Austria
1
Bangladesh
1
Burma
1
Canada
1
Central America
1
Chicago Metropolitan Area
1
more ...