Χώρα / Περιοχή
Europe
51
Germany
31
Europe, Eastern
16
Soviet Union
4
United States
4
Developing countries
3
Asia
2
Austria
2
Russia
2
Africa, West
1
Communist countries
1
Deutscher Bund (1815-1866)
1
East Prussia (Poland and Russia)
1
El Salvador
1
Europa
1
Europe, Central
1
Former Soviet republics
1
Nassau (Duchy)
1
Nicaragua
1
North America
1
Prussia
1
Prussia (Germany)
1
Prussia, East (Poland and Russia)
1
Russia (Federation)
1
Vienna
1
Zurich (Switzerland : Canton)
1