2019 17 | | | : | | | 2019 21 | | | | | | | | 2017 34 2 3 | 2019 2019 21 | | 50% | | 30% | 70% | | | | | 50% | | | | | | | | 2019 205 | | | | 2019 21 | | | | | | | 2019 21 | | | | | |