Region
China --
8
Asia, Southeastern --
6
Cuba --
6
United States --
6
Africa --
5
Asia, Southeastern
5
Taiwan --
5
Europe --
4
Asia
3
Asia --
3
Cuba
3
Indonesia --
3
Kenya --
3
Malaysia --
3
Philippines --
3
Singapore --
3
South Africa --
3
Soviet Union --
3
United States
3
Australia --
2
Great Britain --
2
Hong Kong (China) --
2
Iran --
2
Kazakhstan --
2
Pacific Area --
2
Philippines
2
Singapore
2
ASEAN countries --
1
Africa
1
Africa, Central --
1
Africa, Southern
1
Africa, Southern --
1
Africa, Sub-Saharan --
1
Armenia (Republic) --
1
Bulgaria --
1
Burma
1
Burma --
1
Canada --
1
Central America --
1
Chile --
1
China
1
Egypt --
1
Europe
1
Europe, Eastern
1
Europe, Eastern --
1
Foreign countries
1
Former Soviet republics
1
Former Soviet republics --
1
Germany --
1
Great Britain
1
more ...