| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | ||
| Sales | in EUR m | 407.0 | 543.1 | 711.3 | 908.6 | 1,110.6 | 1,341,7 |
| Other income | in EUR m | 19.9 | 27.8 | 31.3 | 43.4 | 52.8 | 8,6 |
| Gross margin | in % | 34.5 | 31.2 | 30.2 | 25.0 | 24.4 | 28.7 |
| EBITDA | in EUR m | 4.9 | 9.9 | 15.4 | 19.7 | 19.7 | 8.6 |
| EBT | in EUR m | 3.8 | 8.8 | 12.7 | 17.9 | 4.1 | -2.3 |
| Consolidated profit/loss per share* | in EUR/share | 0.29 | 0.83 | 1.13 | 1.63 | 0.27 | -0.29 |
| Balance sheet total | in EUR m | 65.4 | 83.7 | 165.3 | 207.6 | 239.5 | 301,8 |
| Inventory | in EUR m | 32.3 | 43.7 | 74.5 | 78.8 | 104.5 | 107,6 |
| Total equity | in EUR m | 33.9 | 36.7 | 93.2 | 107.9 | 111.4 | 111.1 |
| Equity ratio | in % | 43.9 | 62.2 | 56.4 | 52.0 | 46.5 | 36.8 |
| Employees | number | 253 | 267 | 313 | 386 | 512 | 635 |
| Active Customers | in thousand | 2,694 | 3,342 | 4,024 | 4,826 | 5,817 | 6,770 |
* undiluted and starting in 2010 taking into account the capital increase from company funds carried out in 2011
