Region
United States --
19
United States
13
Europe --
11
Asia
6
Europe
6
Asia, Southeastern --
5
Asia --
4
Asia, Southeastern
4
Germany --
4
Developing countries
3
Europe, Eastern
3
Pacific area --
3
United states --
3
Canada --
2
China
2
China --
2
Developing countries --
2
East Asia
2
Europe, Eastern --
2
Germany
2
Germany (West)
2
Japan --
2
Malaysia --
2
Pacific Area
2
Pacific Area --
2
Soviet Union
2
Soviet Union --
2
Asia - --
1
Asia, Central
1
Asian cooperation
1
Baltic States
1
Baltic States --
1
Bosnia ans Hercegovina
1
Cambodia
1
Caucasus
1
Central Europe
1
East Asia --
1
East Timor
1
Europe - --
1
Former Yugoslavia --
1
France
1
France --
1
Great Britian
1
India
1
India --
1
Indonesia
1
Indonesia --
1
Iran
1
Iraq
1
Iraq --
1
more ...