Region
United States --
27
Europe --
19
United States
19
Asia, Southeastern --
10
Asia
8
Asia --
8
Europe
8
Asia, Southeastern
7
Pacific area --
6
Germany --
4
Malaysia --
4
Australia
3
Developing countries
3
Europe, Eastern
3
Pacific Area
3
Pacific Area --
3
Soviet Union --
3
United states --
3
Canada --
2
China
2
China --
2
Developing countries --
2
East Asia
2
Europe, Eastern --
2
Germany
2
Germany (West)
2
India
2
India --
2
Indonesia --
2
Iran
2
Iraq
2
Iraq --
2
Japan --
2
Middle East
2
Middle East --
2
Russia (Federation)
2
Russia (Federation) --
2
Soviet Union
2
United Nations
2
Asia - --
1
Asia, Central
1
Asian cooperation
1
Australia --
1
Baltic States
1
Baltic States --
1
Bangladesh
1
Bosnia ans Hercegovina
1
Cambodia
1
Caucasus
1
Central Europe
1
more ...