06622700 1961 38.8 450 1 19610529 7.40 1 19610823 06622700 1962 67.9 606 1 19620512 7.40 6 06622700 1963 36.4 372 1 19630603 6.40 1 19630112 06622700 1964 58.1 716 1 19640607 6.70 1 19640112 06622700 1965 52.8 640 1 19650610 7.00 3 06622700 1966 39.8 330 1 19660508 7.10 1 19660829 06622700 1967 50.6 467 1 19670603 8.30 1 19670906 06622700 1968 58.4 548 1 19680606 7.60 1 19671213 06622700 1969 44.0 353 1 19690527 6.40 4 06622700 1970 57.0 429 1 19700605 5.20 1 19700106 06622700 1971 72.1 721 1 19710616 5.00 1 19710825 06622700 1972 45.3 404 2 6.40 1 19720203 06622700 1973 60.2 597 1 19730610 7.50 1 19721210 06622700 1974 57.8 530 1 19740529 7.00 1 19740102 06622700 1975 43.3 433 1 19750607 7.00 1 19750222 06622700 1976 39.3 283 1 19760605 7.80 5 06622700 1977 30.1 274 1 19770603 4.70 3 06622700 1978 56.7 585 1 19780615 7.20 1 19771109 06622700 1979 42.2 450 2 6.50 2 06622700 1980 46.2 415 2 5.40 1 19800131 06622700 1981 33.5 325 1 19810527 5.30 1 19810210 06622700 1982 66.9 555 1 19820623 5.80 3 06622700 1983 82.0 955 1 19830625 8.20 1 19830131 06622700 1984 73.3 626 1 19840601 8.60 1 19840118 06622700 1985 44.7 376 1 19850608 7.50 1 19850831 06622700 1986 62.4 754 1 19860610 8.80 1 19860313 06622700 1987 30.3 331 1 19870512 6.80 2 06622700 1988 38.5 422 1 19880606 5.50 2