Region
United States --
United States
13
Israel --
2
Lebanon --
2
Palestine
2
Panama --
2
Vietnam
2
Vietnam --
2
Cambodia
1
China
1
China --
1
Developing countries
1
Developing countries --
1
Europe
1
Europe --
1
Laos
1
Lebanon
1
Middle East
1
Middle East --
1
Nigeria
1
Nigeria --
1
Nigeria, Eastern
1
Palau
1
Palau --
1
Palestine --
1
Panama
1
Soviet Union
1
Soviet Union --
1
Zaire
1
Zaire --
1