Region
Asia
Asia --
Australia
1
Australia --
1
China
2
China --
2
Foreign countries
1
Japan
3
Japan --
3
Korea
1
Korea --
1
Near East
1
Near East --
1
Pacific
1
Pacific --
1
Pacific Area
1
Pacific area
2
Pacific area --
2
Russia --
1
Singapore
1
Singapore --
1
Soviet Union
1
Soviet Union --
1
United States
36
United States --
United states --
1