| | 2017 2018 1 | 1 2020 12 31 | | | | | | | | | | | 2018 1 1 | | | ① | ② | | ③ | ④ | | | | | | 2018 | 2018 | | 2018 | | ① 2 15 0 2 21 | 24 | ② 4 5 0 4 7 24 | ③ 4 29 0 5 1 24 | ④ 10 1 0 10 7 24 | | | | | | | | 2017 12 1 | 2018 1 1 | | | 7 1 | | | | | | | | | 2018 1 1 | | | | | | | | 2018 1 1 | | | | | |