Frequencies for first 10,000 rows of nlbnl variable in natl1983 dataset :

 Born alive |
      - now |
     living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,393       43.93       43.93
          1 |      3,155       31.55       75.48
          2 |      1,502       15.02       90.50
          3 |        542        5.42       95.92
          4 |        203        2.03       97.95
          5 |        103        1.03       98.98
          6 |         53        0.53       99.51
          7 |         24        0.24       99.75
          8 |          8        0.08       99.83
          9 |          6        0.06       99.89
         10 |          4        0.04       99.93
         11 |          4        0.04       99.97
         13 |          1        0.01       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016