Frequencies for first 10,000 rows of nlbnl variable in natl1992 dataset :

  Number of |
Live Births |
 Now Living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,301       43.01       43.01
          1 |      3,383       33.83       76.84
          2 |      1,540       15.40       92.24
          3 |        471        4.71       96.95
          4 |        178        1.78       98.73
          5 |         69        0.69       99.42
          6 |         27        0.27       99.69
          7 |         15        0.15       99.84
          8 |          7        0.07       99.91
          9 |          3        0.03       99.94
         10 |          1        0.01       99.95
         11 |          3        0.03       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015