Frequencies for first 10,000 rows of nlbd variable in natl1970 dataset :

  Number of |
   children |
born dead ( |
      fetal |
   deaths ) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,518       95.18       95.18
          1 |        317        3.17       98.35
          2 |         40        0.40       98.75
          3 |         10        0.10       98.85
          4 |          3        0.03       98.88
          5 |          5        0.05       98.93
          6 |          2        0.02       98.95
          7 |          1        0.01       98.96
          8 |          1        0.01       98.97
         55 |         11        0.11       99.08
         66 |          1        0.01       99.09
         77 |         88        0.88       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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