Region
United States
186
China
149
Great Britain
100
Soviet Union
44
Germany
42
Europe
39
France
37
Japan
36
America
22
Russia (Federation)
21
Belgium
20
India
20
Italy
20
Turkey
18
Taiwan
16
Australia
15
Southern States
15
Ireland
14
Developing countries
13
Mexico
13
Poland
13
Rome
13
Spain
13
Canada
12
Iran
12
Latin America
12
Egypt
11
Korea (South)
11
Russia
11
Asia
10
Netherlands
10
Africa
9
Austria
9
Colombia
9
Czechoslovakia
9
England
9
Indonesia
9
West Indies
9
Germany (East)
8
Korea (North)
8
Middle East
8
New York (State)
8
Rome (Empire)
8
Brazil
7
California
7
Estonia
7
Hungary
7
Korea
7
Pennsylvania
7
Alaska
6
more ...