Region
United States --
31
United States
26
Europe
13
Asia
11
China
11
China --
10
South Africa --
10
Japan --
9
Malaysia --
9
Pacific Area
8
Soviet Union
8
Europe --
7
South Africa
7
Soviet Union --
7
United Nations
7
Asia, Southeastern
6
India --
6
Malaysia
6
Asia, Southeastern --
5
Developing countries
5
East Asia
4
Former Soviet republics --
4
India
4
United Nations --
4
Africa
3
Africa, Southern
3
Arab countries --
3
Asia --
3
East Asia --
3
Europe, Eastern
3
Europe, Eastern --
3
Japan
3
Pacific Area --
3
Philippines
3
South Asia --
3
Africa --
2
Africa, Southern --
2
Arab countries
2
Egypt
2
France
2
France --
2
Germany --
2
Great Britain --
2
Latin America --
2
Malaya
2
Mexico --
2
Middle East
2
Oceania --
2
Palestine
2
Philippines --
2
more ...