Region
Afghanistan
1
Africa
6
Africa, North
1
Africa, Sub-Saharan
3
Africa, West
1
Amérique latine
1
Argentina
2
Asia
4
Asia, Central
1
Asie
1
Balkan Peninsula
1
Bangladesh
3
Belarus
1
Brazil
1
California
1
California, Southern
1
Cameroon
1
Canada
1
Caribbean Area
2
Chile
2
China
10
Developing countries
33
Egypt
1
Europe
9
Europe, Eastern
11
European Economic Community countries
1
European Union countries
11
Europäische Union
1
Florida
1
Former Soviet republics
2
France
3
Freiburg im Breisgau
1
Georgia
1
Germany
5
Germany (East)
1
Germany (West)
1
Ghana
3
Great Britain
2
Greece
3
Hungary
4
Indonesia
2
Innsbruck
1
Iraq
7
Israel
4
Japan
3
Kenya
1
Korea (South)
2
Latin America
18
Liberia
1
Mexico
6
more ...