Region
United States
966
Soviet Union
57
China
38
Great Britain
24
Asia
21
Developing countries
17
Latin America
16
Cuba
13
Europe
13
Japan
12
Israel
10
Middle East
10
Germany
9
Vietnam
9
Africa
8
France
8
Russia
7
Iran
6
Caribbean Area
5
Communist countries
5
Europe, Eastern
5
Arab countries
4
India
4
Southeast Asia
4
Antarctica
3
Cambodia
3
Central America
3
Europe, Western
3
Italy
3
Nicaragua
3
Pakistan
3
Philippines
3
South Africa
3
Southern States
3
Taiwan
3
Argentina
2
Brazil
2
Bulgaria
2
Burma
2
Chile
2
Egypt
2
Foreign countries
2
Iraq
2
Kentucky
2
Louisville
2
Missouri
2
Okinawa Island (Japan)
2
Pacific Area
2
Saudi Arabia
2
Tibet Autonomous Region
2
more ...