16858000 1953 27.5 588 1 19530811 0.56 4 16858000 1954 35.7 2050 1 19531015 0.36 1 19540621 16858000 1955 19.3 330 1 19550928 0.89 1 19550531 16858000 1956 14.9 189 1 19551022 0.56 5 16858000 1957 16.1 378 1 19561215 0.28 3 16858000 1958 28.9 731 1 19571116 0.56 2 16858000 1959 17.9 331 1 19581017 0.18 5 16858000 1960 19.5 456 1 19600820 0.28 4 16858000 1961 32.7 626 1 19610918 2.30 1 19610505 16858000 1962 33.8 519 1 19620802 1.50 2 16858000 1963 49.1 716 1 19621208 3.70 1 19630426 16858000 1964 46.9 656 1 19631011 1.70 4 16858000 1965 24.9 495 1 19650914 0.50 1 19650602 16858000 1966 16.1 763 1 19660802 0.10 36 16858000 1967 46.2 1080 1 19670912 4.10 1 19670311 16858000 1968 28.4 788 1 19671113 1.40 1 19680528 16858000 1969 18.6 750 1 19681123 0.13 1 19690630 16858000 1970 27.4 1000 1 19691219 0.60 1 19700626 16858000 1971 44.7 1100 2 6.20 1 19710521 16858000 1972 27.5 600 1 19720803 1.70 4 16858000 1973 12.9 414 1 19730911 0.14 2 16858000 1974 41.5 841 1 19740428 3.00 3 16858000 1975 17.4 252 1 19750813 0.40 3 16858000 1976 62.3 1000 1 19760521 6.00 1 19760502 16858000 1977 14.3 737 1 19770916 0.58 2 16858000 1978 24.2 417 1 19771108 0.40 2 16858000 1979 17.6 499 1 19781103 0.46 1 19790712 16858000 1980 38.2 1160 1 19800226 2.40 3 16858000 1981 28.5 515 1 19801227 1.30 2 16858000 1982 27.5 389 1 19811120 1.90 5 16858000 1983 13.9 406 1 19821003 0.10 2 16858000 1984 22.1 340 1 19840802 0.30 1 19840609 16858000 1985 32.6 700 1 19841113 1.40 1 19850422 16858000 1988 19.5 537 1 19880112 0.52 2