Geographic Subject
India
168
Indonesia
105
Soviet Union
77
Germany
60
Sweden
57
Russia (Federation)
50
Switzerland
21
Thailand
19
Developing countries
18
United States
18
Asia
15
Germany (West)
14
Netherlands
13
Great Britain
12
Poland
12
China
11
Bangladesh
10
Europe
10
France
10
England
8
Malaysia
8
Middle East
8
Pakistan
8
Africa
7
Morocco
7
Singapore
7
Australia
6
Japan
6
Tamil Nadu
6
Algeria
5
Asia, Southeastern
5
Egypt
5
Ethiopia
5
Finland
5
Gujarat
5
Siberia
5
Sri Lanka
5
Turkey
5
Arab countries
4
Greece
4
Iran
4
Italy
4
Jawa Barat
4
Nusa Tenggara Timur (Indonesia)
4
Papua New Guinea
4
Rome
4
Russia
4
Russian Far East
4
Sabah
4
Siberia (Russia)
4
more ...