Subject Region
United States
67
Spain
42
France
37
Hungary
29
Russia
28
China
23
Norway
20
Romania
20
Australia
16
Argentina
15
Armenia
14
Cuba
13
Brazil
12
Poland
12
Sweden
12
Canada
11
England
11
Germany
11
Czech Republic
10
Latin America
10
New Zealand
10
Japan
9
Italy
8
Soviet Union
8
Austria
7
Great Britain
7
Mexico
6
Russia (Federation)
6
Finland
5
Scotland
5
America
4
Denmark
4
Greece
4
Ireland
4
Switzerland
4
Venezuela
4
Europe
3
New York
3
New York (State)
3
Paris
3
Portugal
3
Slovakia
3
Africa
2
Catalonia
2
Curaçao
2
Hardangervidda
2
Iran
2
Israel
2
Lebanon
2
New York (N.Y.)
2
more ...