11160020 1969    12.9     280   1 19690119    0.48   2         
11160020 1970    7.15     168   1 19700116    0.50   3         
11160020 1971    4.00    60.0   1 19701129    0.32   3         
11160020 1972    1.26    17.0   1 19711227    0.18   1 19720901
11160020 1973    12.9     250   1 19730118    0.32   1 19721007
11160020 1974    10.4     212   1 19740301    0.49   1 19731004
11160020 1975    5.61     124   1 19750307    0.57   4         
11160020 1976    0.88    4.40   1 19760229    0.23   1 19760910
11160020 1977    0.43    3.60   1 19770316   0.080   1 19770802
11160020 1978    10.9     272   1 19780114    0.12   1 19771015
11160020 1979    3.47    46.0   1 19790213    0.46   1 19790912
11160020 1980    10.1     309   1 19800219    0.43   8         
11160020 1981    1.78    55.0   1 19810321    0.28   1 19810923
11160020 1982    14.7     505   1 19820104    0.28   1 19811001
11160020 1983    23.3     527   1 19830302    0.90   2         
11160020 1984    7.35     209   1 19831225    0.61   1 19840927
11160020 1985    2.23    37.0   1 19850208    0.29   1 19850831
11160020 1986    11.6     469   1 19860217    0.41   2         
11160020 1987    1.15    40.0   1 19870213    0.23   2         
11160020 1988    0.86    16.0   1 19880117    0.13   1 19880919