Dortmund, Germany, 2029
Zurich, Switzerland, 2026
Bremen, Germany, 2025
Bad Friedrichshall, Germany, 2025
Brühl, Germany, 2024
Hamburg, Germany, 2023
Munich, Germany, 2022
Köln, Germany, 2021
Wolfsburg, Germany, 2021
Kiel, Germany, 2019
Gelsenkirchen, Germany, 2018
Luxemburg, Luxembourg, 2017
Bruxelles, 2017
Cologne, Germany, 2017
Luxembourg, Luxembourg, 2015
Aachen, Germany, 2014
Essen, Germany, 2014