East Germany

Mid Germany

• Braunschweig (4)
• Hildesheim (1)
• Kassel (1)

Northeast Germany

• Berlin center (2)

Northern Germany

• Bremen (1)
• Hamburg (8)

Rhein-Main Area

• Aachen (1)
• Bonn (2)
• Cologne (1)
• Siegen (1)

Ruhr Area

• Dortmund (1)
• Duisburg (1)
• Münster (2)

Saarland

• Darmstadt (1)
• Frankfurt on Main (2)

South East Germany

• Nuremberg (1)
• Würzburg (1)

South Germany

• Landshut (1)
• Munich north (1)
• Rosenheim (1)
• Ulm (1)

South West Germany

• Freiburg (1)
• Karlsruhe (1)
• Konstanz (1)
• Ludwigsburg/Leonberg (1)
• Stuttgart (1)