Ideenwerkstatt | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
Planungswerkstatt    | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |    – | 2016 | 2015 | 2014 |