| Germany | ||||
| Clients | Female | Male | ||
| Baden-Württemberg | ||||
| Karlsruhe | Stuttgart | Villingen-Schwenningen | ||
| Bavaria | ||||
| Augsburg | Bamberg | München | ||
| Passau | ||||
| Berlin + Brandenburg | ||||
| Berlin | Potsdam | |||
| Bremen | ||||
| Hamburg | ||||
| Hesse | ||||
| Frankfurt am Main | ||||
| Lower Saxony | ||||
| Hannover | ||||
| Mecklenburg-Vorpommern | ||||
| Schwerin | ||||
| North Rhine-Westphalia | ||||
| Cologne / Bonn | Düsseldorf / Wuppertal | Duisburg / Essen / Dortmund | ||
| Rhineland-Palatinate | ||||
| Mainz | ||||
| Saarland | ||||
| Saarbrücken | ||||
| Saxony | ||||
| Dresden | ||||
| Saxony-Anhalt | ||||
| Magdeburg | ||||
| Schleswig-Holstein | ||||
| Kiel | ||||
| Thuringia | ||||
| Erfurt | ||||