Region
United States
United States --
29
Israel
2
Israel --
2
Japan
2
Japan --
2
United States. Congress. Senate - --
2
Bulgaria
1
Bulgaria --
1
China --
1
Developing countries
1
Developing countries --
1
Great Britain
1
Great Britain --
1
India
1
India --
1
Iran
1
Iran --
1
Soviet Union
1
Soviet Union --
1
United Nations
1
Unites States --
1