Region
United States
36
United States --
21
Soviet Union
20
Europe
13
Europe --
13
Soviet Union --
8
Middle East
7
East Asia
6
Germany (West)
5
Iraq
5
Iran
4
Korea (North)
4
Asia
3
Iraq --
3
Korea (North) --
3
Korea (South) --
3
Middle East --
3
South Asia
3
China
2
Former Soviet Republics
2
Former Soviet republics
2
India
2
Iran --
2
Korea
2
Korea (South)
2
Pacific Area
2
Pacific Area --
2
Southeast Asia --
2
Africa, Southern
1
Arab countries
1
Arab countries --
1
Arctic region
1
Asia - --
1
Asia --
1
Asia, Southeastern
1
Asia, Southeastern --
1
Asian cooperation
1
Australia
1
Australia --
1
Bosnia-Herzegovina
1
Cambodia
1
Canada
1
Canada --
1
Chemical arms control
1
China --
1
Croatia
1
Former Soviet Rebuplics
1
Former Soviet republics --
1
France
1
Haiti
1
more ...