Region
Pacific Area
Asia
21
Pacific Area --
11
Asia --
7
Soviet Union
5
East Asia
4
Soviet Union --
4
Japan
3
Japan --
2
Pacific area --
2
United States
2
Asia, Southeastern
1
Asia, Southern --
1
China --
1
East Asia --
1
New Zealand
1
New Zealand --
1
Pacific area
1
Russia
1
Russia --
1
Taiwan
1
Taiwan --
1
United Nations --
1