2023
| Nachhaltigkeitsbericht 2022 | picture_as_pdf PDF |
| Annex to the Sustainability Report 2022 | picture_as_pdf PDF |
| GRI content index 2022 | picture_as_pdf PDF |
2022
| Nachhaltigkeitsbericht 2021 | picture_as_pdf PDF |
| Annex to the Sustainability Report 2021 | picture_as_pdf PDF |
| GRI content index 2021 | picture_as_pdf PDF |
2021
| Nachhaltigkeitsbericht 2020 | picture_as_pdf PDF |
| Annex to the Sustainability Report 2020 (update May 2021) | picture_as_pdf PDF |
| GRI content index 2020 | picture_as_pdf PDF |
2020
| Annex to the Sustainability Report 2020 (March 2021) | picture_as_pdf PDF |
2019
| Nachhaltigkeitsbericht 2019 | picture_as_pdf PDF |
| Annex to the Sustainability Report 2019 (March 2020) | picture_as_pdf PDF |
| GRI content index 2019 | picture_as_pdf PDF |