Region
Netherlands
Belgium
10
Germany
4
Austria
2
China
2
Europe
2
Germany (West)
2
Prussia (Germany)
2
Russia
2
Soviet Union
2
Spain
2
Communist countries
1
France
1
Holland, North (Netherlands : Province)
1
Indonesia
1
North Holland
1
North Holland (Netherlands)
1
Pays-Bas
1
Russia (Federation)
1
United States
1