| | | | ︹ | 2020 ︺ 43 | 2020 9 1 2021 | | | | | | | 95% | | | | 1 | 2021 | 305 | | | | 2 A B | | | | | | 1 2019 | | 3 | | | | | 3% | | | | 2 | | | | | | | 2021 | 2020 9 | 1 2020 12 31 | 2021 2 | | | 1. | 2. | | | 1 2020 9 1 9 | 15 | 2 2020 9 | 15 2020 12 30 | 3 2020 12 | 31 2021 2 28 | | | | | | | |