Region
France
155
Paris (France)
138
Paris
129
Bulgaria
115
Germany
103
Romania
42
Australia
36
China
36
Albania
33
Turkey
33
India
32
United States
32
Japan
31
Israel
27
Korea (South)
27
Germany (East)
26
Great Britain
23
Italy
22
Uganda
20
Czech Republic
18
Ireland
18
Soviet Union
18
Algeria
16
Hong Kong (China)
16
Ukraine
16
Hong Kong
15
Nepal
15
Spain
14
Iraq
13
Russia (Federation)
11
Sudan
11
Indonesia
10
Rijksuniversiteit te Utrecht
10
Vietnam
10
Chine
9
Europe
9
Lebanon
9
Middle East
9
Poland
9
Congo (Democratic Republic)
8
Nigeria
8
Austria
7
Istanbul
7
USA
7
Zambia
7
Africa
6
Czechoslovakia
6
Ouganda
6
Palestine
6
Yugoslavia
6
more ...