Geographic Subject
United States
11
Soviet Union
8
Europe
6
Mongolia
5
Asia
4
Africa
3
Europe, Eastern
3
Russia (Federation)
3
Asia, Southeastern
2
France
2
Great Lakes Region (Africa)
2
India
2
Iran
2
Pacific Area
2
Pakistan
2
Sweden
2
Uganda
2
4.050
1
Denmark
1
European Union countries
1
Germany
1
Great Britain
1
Great Lakes Region
1
Inde
1
Japan
1
Lithuania
1
Malaysia
1
Norway
1
Pākistān
1
Scandinavia
1
États-Unis
1