07311700 1961 67.0 5960 1 19601018 2.90 1 19610902 07311700 1962 36.4 737 1 19620606 1.50 2 07311700 1963 38.8 1820 1 19630531 0.50 2 07311700 1964 22.5 1270 1 19640530 0.10 3 07311700 1965 92.4 19400 1 19650919 0.10 12 07311700 1966 193 16600 1 19660824 0.34 2 07311700 1967 74.2 3420 1 19670626 4.70 2 07311700 1968 30.3 950 1 19680601 0.47 1 19680810 07311700 1969 51.0 2880 1 19690923 0.23 13 07311700 1970 33.2 1150 1 19691027 0.75 1 19700809 07311700 1971 39.5 1520 1 19710531 0.40 1 19710720 07311700 1972 74.6 3260 1 19720905 3.40 1 19720821 07311700 1973 46.0 1480 1 19730714 4.40 1 19730830 07311700 1974 68.1 4530 1 19740925 0.020 1 19740822 07311700 1975 74.0 3980 1 19750726 5.60 1 19750620 07311700 1976 34.9 1520 1 19760804 5.40 1 19760703 07311700 1977 43.8 1300 1 19770523 8.40 1 19770714 07311700 1978 39.1 2600 1 19780921 3.70 1 19780802 07311700 1979 55.2 1900 1 19790609 3.80 1 19790906 07311700 1980 47.7 4430 1 19800515 4.60 1 19800423 07311700 1981 52.6 3340 1 19810603 3.60 1 19810726 07311700 1982 75.8 3580 1 19820619 6.20 1 19820417 07311700 1983 17.2 122 1 19830513 2.60 1 19830729 07311700 1984 124 18500 1 19831020 6.30 1 19840912 07311700 1985 38.5 1880 1 19850605 6.00 1 19850905 07311700 1986 87.4 4790 1 19851018 5.40 1 19860614 07311700 1987 150 10900 1 19870528 19.0 6 07311700 1988 32.4 1010 1 19880919 7.10 1 19880622