| 1952 | | | | | | | | | 1930 | | | 1945 15 | 1948 | | | 21 | | | | 1952 | | | 1952 | | | 1954 | | | | 1980 | | | | | | | | | | 2-3 | | | | | | | 1950 | | | | | | | | 1949 | | ① | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ②③ ①② ③ | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 48 | | | | |