Frequencies for first 10,000 rows of nlbd variable in natl1974 dataset :

  Number of |
   children |
born dead ( |
      fetal |
   deaths ) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,576       95.76       95.76
          1 |        320        3.20       98.96
          2 |         47        0.47       99.43
          3 |         10        0.10       99.53
          4 |          1        0.01       99.54
          5 |          1        0.01       99.55
         55 |          3        0.03       99.58
         66 |          1        0.01       99.59
         77 |         21        0.21       99.80
         99 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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