Frequencies for first 10,000 rows of nlbd variable in natl1973 dataset :

  Number of |
   children |
born dead ( |
      fetal |
   deaths ) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,591       95.91       95.91
          1 |        283        2.83       98.74
          2 |         45        0.45       99.19
          3 |         13        0.13       99.32
          4 |          3        0.03       99.35
          5 |          1        0.01       99.36
          9 |          1        0.01       99.37
         55 |          4        0.04       99.41
         77 |          7        0.07       99.48
         99 |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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