Geographic Subject
Germany
86
India
35
Indonesia
31
Soviet Union
21
Africa
17
Russia (Federation)
11
Asia, Southeastern
8
Thailand
8
Argentina
6
Malaysia
6
Brazil
5
Developing countries
5
Siberia (Russia)
5
Southeast Asia
5
Asia
4
Congo (Democratic Republic)
4
South Asia
4
Bangladesh
3
Communist countries
3
Middle East
3
Russia, Northern
3
Singapore
3
Uganda
3
Africa, Southern
2
Africa, West
2
Afrique occidentale
2
Asia del Sudeste
2
Austria
2
Cuba
2
Ecuador
2
Europe
2
Jawa Barat (Indonesia)
2
Kalimantan Selatan (Indonesia)
2
Komi (Russia)
2
Latin America
2
Madura Island (Indonesia)
2
Maharashtra (India)
2
Nepal
2
Peru
2
Russia
2
Siberia
2
Slovenia
2
Somalia
2
South Africa
2
Switzerland
2
United States
2
Aceh (Indonesia)
1
Africa, East
1
Africa, Portuguese-speaking
1
Africa, Sub-Saharan
1
more ...