Rating
| Date | Rating-Agency | Rating |
|---|---|---|
| September 28, 2018 | Euler Hermes Rating GmbH | BBB watch uncertain |
| May 18, 2018 | Euler Hermes Rating GmbH | BBB |
| August 02, 2017 | Euler Hermes Rating GmbH | BBB |
| May 03, 2017 | Euler Hermes Rating GmbH | BBB |
| July 21, 2016 | Euler Hermes Rating GmbH | BBB |