BB-, stable
17 April 2012
ВВ, stable
8 April 2013
ВВ, positive
7 May 2014
ВВ+, negative
13 April 2015
ВВ+, negative
22 April 2016
ВВ+, stable
21 September 2016
ВВ+, stable
24 April 2017
ВВ, stable
15 December 2017
ВВ, stable
20 December 2018
ВВ, stable
20 December 2019
ВВ, stable
15 June 2020
ВВ, stable
15 December 2020
ВВ+, stable
17 December 2021
CCC-, negative
7 March 2022