| 9.2 | 5 12 2019 | | 28 | | | | | | | 2016 | | 2017 | | 2019 1 | | | | | | | | | | | | | | | | | | | | | 20 | | | | | | | | | 2016 | | 2017 | | | | | | | | | 11 | | | | | | |