Region
United States
101
Great Britain
18
France
9
États-Unis
6
India
5
Soviet Union
5
Germany
4
Japan
4
Europe
3
California
2
Developing countries
2
Hungary
2
New York (State)
2
Pasadena
2
Romania
2
USA
2
Africa
1
Asia, Southeastern
1
Asie du Sud-Est
1
Australia
1
Commonwealth countries
1
Connecticut
1
Ecuador
1
Europa
1
Germany (East)
1
Germany (West)
1
Japon
1
New York
1
New Zealand
1
Paris
1
Southeast Asia
1
Uttar Pradesh
1
Virginie-Occidentale
1
West Virginia
1