Region
Asia, Southeastern
1
Asia, Southeastern --
1
China
2
China --
2
Commonwealth
1
Commonwealth of Nations --
1
Europe
1
Europe --
1
Great Britain
1
Great Britain --
1
India
10
India --
Indo-Pacific Region --
1
Japan
2
Japan --
2
Pakistan
1
Pakistan --
1
Russia
1
Soviet Union
1
Soviet Union --
2
United States
2
United States --
2