Region
United States
12
United States --
12
Soviet Union --
5
Great Britain
4
Soviet Union
4
Great Britain --
3
China
1
China --
1
India
1
India --
1
Indonesia
1
Indonesia --
1
Iran
1
Iran --
1
Iraq
1
Iraq --
1
Israel
1
Israel --
1
Japan
1
Japan --
1
Middle East
1
Middle East --
1
Mozambique
1
Mozambique --
1
Pakistan
1
Pakistan --
1
Panama
1
Panama --
1
Romania
1
Romania --
1
Russia
1
Russia --
1
Singapore
1
Singapore --
1
United States -Congress -House --
1
Uzbekistan
1
Uzbekistan --
1