Geographic Subject
India
113
Japan
83
Indonesia
55
Pakistan
36
Bangladesh
34
Australia
15
France
10
Soviet Union
9
Sri Lanka
8
Great Britain
7
Hungary
7
United States
7
Hokkaido
6
Malaysia
6
Nepal
6
Russia (Federation)
6
New Zealand
5
Ohio
5
Poland
5
Taiwan
5
Tropics
5
Argentina
4
Brazil
4
Germany (West)
4
Italy
4
Latin America
4
Mongolia
4
South Africa
4
South Dakota
4
Texas
4
Thailand
4
Developing countries
3
Germany
3
Iowa
3
Israel
3
Korea
3
New York (State)
3
Norway
3
Russia
3
Sindh
3
Sun
3
Tokyo
3
Venezuela
3
Africa, East
2
Alaska
2
Arkansas
2
Asia, Southeastern
2
Austria
2
Bihar (State)
2
CHILE
2
more ...