Region
United States
388
Japan
26
Canada
23
Italy
18
Latin America
13
Great Britain
12
Germany
11
China
10
Pennsylvania
10
Australia
9
France
8
Russia (Federation)
7
Soviet Union
7
Brazil
6
Europe
6
Bologna
5
Developing countries
5
New York (State)
5
Poland
5
South Africa
5
Texas
5
Chicago
4
États-Unis
4
Germany (East)
4
Illinois
4
Massachusetts
4
Mexico
4
Philadelphia Region
4
Turkey
4
Atlantic Ocean Region
3
Germany (West)
3
Russia
3
Scandinavia
3
Sweden
3
Tōhoku Region
3
Tōhoku Region
3
États-Unis
3
Africa, Sub-Saharan
2
Asia
2
Atlantic States
2
Berlin
2
Brazil, Northeast
2
Central America
2
England
2
Fukushima-ken
2
India
2
Japon
2
Lithuania
2
New Zealand
2
Oceania
2
more ...