Region
Asia
United States
United States --
52
Asia --
50
Pacific Area
5
Pacific area --
4
China
3
China --
3
Japan
3
Japan --
3
Pacific area
3
Soviet Union
3
Europe
2
France
2
Pacific --
2
Singapore
2
Singapore --
2
Soviet Union --
2
United states --
2
Afghanistan --
1
Aisa
1
Asia --
1
Asia - --
1
Australia
1
Australia --
1
Canada
1
Europe --
1
Foreign countries
1
Korea
1
Korea --
1
Malaysia
1
Malaysia --
1
Mexico
1
Near East
1
Near East --
1
Pacific
1
Russia --
1
Southeast Asia
1
Soviet Union --
1
United States --
1