Region
United States
672
Europe, Eastern
51
Europe
32
Japan
17
Hungary
9
Balkan Peninsula
8
Poland
8
Washington (D.C.)
7
Europe, Central
6
Former Soviet republics
6
Nicaragua
6
Germany
5
Romania
5
Central America
4
European Union countries
4
Middle East
4
Russia (Federation)
4
Southern States
4
Soviet Union
4
Africa
3
Russia
3
Texas
3
Asia
2
California
2
China
2
Europe, Western
2
Great Britain
2
Illinois
2
Indiana
2
Israel
2
Massachusetts
2
Southeast Asia
2
Vermont
2
États-Unis
2
Arab countries
1
Argentina
1
Baja California (Mexico : Peninsula)
1
Brazil
1
Canada
1
Capitol Hill (Washington, D.C.)
1
Caribbean Area
1
Chicago
1
Communist countries
1
Cuba
1
Czechoslovakia
1
Developing countries
1
East Asia
1
El Salvador
1
Florida
1
Former Yugoslav republics
1
more ...