10172200 1964    3.44    28.0   1 19640516    0.60  12         
10172200 1965    5.02    22.0   4             1.40   1 19641217
10172200 1966    2.42    5.50   1 19660418    0.90   5         
10172200 1967    2.36    8.30   2             1.10  31         
10172200 1968    3.48    12.0   6             1.10   3         
10172200 1969    3.96    20.0   2             1.20  16         
10172200 1970    3.67    15.0   2             1.20   1 19691001
10172200 1971    5.85    21.0   3             1.80   2         
10172200 1972    5.03    15.0   1 19720418    1.80   7         
10172200 1973    4.30    19.0   4             1.80   5         
10172200 1974    6.57    36.0   1 19740426    1.80   1 19740102
10172200 1975    7.27    57.0   1 19750519    1.90   1 19750114
10172200 1976    3.52    11.0   2             1.70   6         
10172200 1977    1.90    5.20   1 19770527    0.73   1 19761221
10172200 1978    5.21    20.0   6             0.79   1 19771120
10172200 1979    2.76    9.90   1 19790417    0.87   1 19790908
10172200 1980    3.35    14.0   2             1.00   6         
10172200 1981    2.46    11.0   1 19810522    0.88   1 19810930
10172200 1982    4.93    25.0   1 19820503    0.93   2         
10172200 1983    12.5    95.0   1 19830528    1.60   2         
10172200 1984    9.58    76.0   1 19840515    2.50   1 19840122
10172200 1985    5.09    18.0   3             2.40   9         
10172200 1986    8.77    36.0   3             1.50   2         
10172200 1987    2.65    5.80   1 19870421    0.83   1 19870913
10172200 1988    1.40    2.70   2             0.59   1 19880904