50055000 1961     309   11100   1 19610827    49.0   1 19610420
50055000 1962     319    2770   1 19620822    63.0   1 19620314
50055000 1963     157    1840   1 19630927    33.0   1 19630317
50055000 1964     154    4570   1 19640713    29.0   1 19640517
50055000 1965     225    6990   1 19650810    21.0   3         
50055000 1966     210    5100   1 19660527    43.0   2         
50055000 1967    82.3    1780   1 19661017    20.0   2         
50055000 1968    95.8    1080   1 19680808    11.0   8         
50055000 1969     260    7150   1 19690521    32.0   2         
50055000 1970     271    7840   1 19700617    23.0   1 19700416
50055000 1971     356   17900   1 19701009    56.0   1 19710521
50055000 1972     139    1480   1 19720116    49.0   2         
50055000 1973     152    2950   1 19730815    40.0   2         
50055000 1974    94.7    1940   1 19731011    12.0   2         
50055000 1975     200    7340   1 19741023    16.0   2         
50055000 1976     163    4370   1 19751210    49.0   1 19760413
50055000 1977     134    3370   1 19770906    17.0   1 19770513
50055000 1978     300    8350   1 19771124    92.0   1 19780301
50055000 1979     526   11500   1 19790831    19.0   1 19790418
50055000 1980     220    4800   1 19800514    28.0   1 19800702
50055000 1981     226    5170   1 19810522    30.0   1 19810328
50055000 1982     206    4510   1 19811227    37.0   2         
50055000 1983     233    3940   1 19830705    35.0   1 19830416
50055000 1984     190    6500   1 19831105    30.0   4         
50055000 1985     303   10400   1 19850518    23.0   1 19850714
50055000 1986     286    8560   1 19851006    28.0   1 19860426
50055000 1987     179    4000   1 19870622    19.0   1 19870402
50055000 1988     346   14500   1 19871127    24.0   1 19871013