| 1. | 2019 12 | | 2. | | | 2018 1 | 3. | | | | 4. | | | | | | | | 5. | | | 2020 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ︱ 4 | | | | | | | | | | | | | | | | | | | | ︱ 5 | | | | | 1. | | | | | | | | 1 | 1 | | | | 1 | | 2. | | | | | | 3. | | | | | 4. | | | | | | | 2 | | | | | | | | | | | | | | | 5. | | | | | | | | | | ︱ 4 | | | | | | → | → | | → | | | → | | → | → | | | → → | | → | | → | | | | | | 50% 50% | | | | ︱ | 5 | | | 2 | | | | | | | | | | | | | | | | | | | → | → | | → | → | → → | → → | | | | | | | | | ︱ | | | | | | | | | | | | | 2022 9 15 | 30 | | | 2020 | 1 | | | | | | | | | | | | | | | |