16890600 1970    28.0     519   1 19700712    4.30   1 19700515
16890600 1971    33.8     237   1 19710623    8.30   1 19710417
16890600 1972    39.7     395   1 19720929    10.0   2         
16890600 1973    25.4     626   1 19730916    2.70   2         
16890600 1974    37.9     297   1 19731003    13.0   2         
16890600 1975    40.0     716   1 19750122    5.90   1 19750417
16890600 1976    31.5     611   1 19760408    7.80   1 19760608
16890600 1977    28.3     413   1 19770704    2.90   2         
16890600 1978    31.2     175   1 19780204    10.0   2         
16890600 1979    35.8     604   1 19790413    6.10   2         
16890600 1980    32.4     405   1 19800703    8.00   1 19800414
16890600 1981    38.6     663   1 19810728    4.80   1 19810501
16890600 1982    27.2     161   1 19820622    6.00   1 19820414
16890600 1983    22.7     213   1 19830816    2.10   4         
16890600 1984    33.4     200   1 19840918    9.70   1 19840525
16890600 1985    33.7     263   1 19850912    7.20   3         
16890600 1986    28.0     101   1 19860222    9.70   1 19860521
16890600 1987    34.4    1050   1 19861111    5.90   1 19870425
16890600 1988    24.1     160   1 19880620    4.60   2