Region
Aisa
1
Asia
Asia - --
1
Asia --
10
China
1
China --
1
Europe
1
France
2
Japan
1
Japan --
1
Korea
1
Korea --
1
Pacific
1
Pacific --
2
Pacific Area
4
Pacific area
2
Pacific area --
1
Philippines
1
Philippines --
1
Russia --
1
Singapore
1
Singapore --
1
Soviet Union
2
Soviet Union --
2
United States
19
United States --
15
United states --
1