| | | | | | | ︹2019︺ 50 | | | | ︹2018︺ 1 | | | | | | | | | | | | 2019 12 | | | | | | | | 2020 3 | 2 | | | | | 2019 2023 | | | | | | | | | | | | | | | | | | | + | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |