Frequencies for first 10,000 rows of nlbd variable in natl1972 dataset :

  Number of |
   children |
born dead ( |
      fetal |
   deaths ) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,594       95.94       95.94
          1 |        275        2.75       98.69
          2 |         48        0.48       99.17
          3 |          4        0.04       99.21
          4 |          3        0.03       99.24
          5 |          2        0.02       99.26
          7 |          1        0.01       99.27
          8 |          1        0.01       99.28
         20 |          1        0.01       99.29
         55 |          3        0.03       99.32
         66 |          3        0.03       99.35
         77 |         38        0.38       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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