16757000 1948    7.50    67.0   1 19480302    2.20   1 19471215
16757000 1949    7.04    39.0   1 19490111    2.30   3         
16757000 1950    9.05     133   1 19500814    1.90   1 19500930
16757000 1951    6.44     110   1 19501229    1.60   5         
16757000 1952    8.42    53.0   1 19511120    2.10   4         
16757000 1953    6.71    41.0   1 19530504    1.80   1 19530206
16757000 1954    8.20     127   1 19540105    1.90  15         
16757000 1955    9.17     244   1 19541211    1.90   1 19541201
16757000 1956    7.28    79.0   1 19560220    1.40   1 19560107
16757000 1957    6.01    69.0   1 19561015    1.30   4         
16757000 1958    11.9     282   1 19580807    1.90   4         
16757000 1959    8.01     183   1 19590118    2.00   1 19590112
16757000 1960    9.21     238   1 19600212    1.90  10         
16757000 1961    4.62     113   1 19610403    1.30   4         
16757000 1962    4.14    56.0   1 19611123    1.20   4         
16757000 1963    5.52    39.0   1 19630116    0.90   9         
16757000 1964    6.82    56.0   1 19640520    1.60   5         
16757000 1965    4.58    45.0   1 19650303    0.74   1 19650929
16757000 1966    6.78    57.0   1 19660824    0.74   6         
16757000 1967    6.03     115   1 19670111    1.60   8         
16757000 1968    6.74    91.0   1 19680420    1.30  11         
16757000 1969    7.99    71.0   1 19690412    0.94   5         
16757000 1970    7.79     108   1 19700423    1.30   1 19691124
16757000 1971    5.36    74.0   1 19710326    1.50   4