1920 6 | 1941 | 1949 2 | 1949 | 3 | | 80 | | 50 | 1951 1952 | | | | 1957 | | | | 2 | | 1959 | 1960 | 1966 | | | 10 1979 | 6.5 7 582 | 401 720 375 | 6.6 | | 1 20 37.3 75.4% | 7% | 660 3.2 5.8% | 0.5 1.6℃ | 0.1 0.7 ℃ | 1965 98 10 1976 | 250 1982 5 10 13 | | 403.3 2 4.39 | | 98.5% | 7 | 40 | | | | 12 400 | | 1978 | 1980 | 1982 | | | 8800 | 25 | | 1979 | | 1987 1988 | | 1989 | 1983 5 1984 7 | | | 1500 | | | | | | 1982 | | | 3 | | | | | | | | | 1986 7 16 66 | | |