| | | | | | 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 | | | | | | | |