Region
United States --
262
United States
203
China --
18
China
17
Asia
8
Asia --
8
Soviet Union --
8
Asia, Southeastern --
7
Latin America --
7
Asia, Southeastern
6
Great Britain --
6
Japan
6
Japan --
6
Soviet Union
6
Latin America
5
India
4
India --
4
Great Britain
3
Israel
3
Middle East
3
Middle East --
3
Philippines
3
United State --
3
Vietnam
3
Arab countries
2
Caribbean Area
2
Central America --
2
Cuba
2
Cuba --
2
Developing countries
2
Developing countries --
2
East Asia
2
East Asia --
2
Europe
2
Europe --
2
France
2
Israel --
2
Malaysia
2
Near East
2
Near East --
2
Philippines --
2
Russia
2
Russia --
2
Taiwan --
2
Vietnam --
2
1945-1989
1
1953-1961
1
Africa
1
Africa --
1
Arab countries --
1
more ...