Region
United states --
United States --
69
United States
49
Japan --
6
Japan
5
China --
3
Germany
3
Germany --
3
Soviet Union --
3
Asia
2
Cambodia --
2
China
2
Developing countries
2
India
2
India --
2
Indonesia
2
Indonesia --
2
Pacific area
2
Soviet Union
2
United states
2
Vietnam
2
Vietnam --
2
Africa
1
Africa --
1
Africa, Northeast
1
Africa, Northeast --
1
Africa, Southern --
1
Asia --
1
Cambodia
1
Caribbean Area --
1
Eurasia --
1
Europe --
1
Foreign countries
1
Great Britain --
1
Greece
1
Greece --
1
Korea (South)
1
Korea(Souith) --
1
Korea(South)
1
Korea(South) --
1
Latin America
1
Latin America --
1
Mexico
1
Mexico --
1
Middle East
1
Middle East --
1
Pacific --
1
Pacific area --
1
Pakistan
1
Pakistan --
1
more ...