Summary consolidated statement of profit or loss
| | For the year ended 31 December |
| Amounts in EUR thousand | 2020 | 2019 | 2018 | 2017 | 2016 |
| Revenue | 908.417 | 958.016 | 963.797 | 758.318 | 691.775 |
| Gross profit | 103.493 | 98.514 | 69.244 | 58.756 | 62.907 |
| Adjusted EBITDA | 101.800 | 90.098 | 60.951 | 57.393 | 59.676 |
| EBITDA | 91.121 | 90.273 | 56.223 | 44.605 | 54.019 |
| EBIT | 67.049 | 63.117 | 32.919 | 22.336 | 33.832 |
| Profit before income tax | 35.410 | 28.492 | 708 | - 10.610 | 2.821 |
| Profit / (Loss) of the year | 24.771 | 20.177 | 6.888 | - 4.775 | - 3.772 |
| Profit / (Loss) attributable to owners of the Company | 24.772 | 20.189 | 6.861 | - 4.761 | - 3.741 |