Frequencies for first 10,000 rows of nlbnl variable in natl1993 dataset :

  Number of |
Live Births |
 Now Living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,467       44.67       44.67
          1 |      3,312       33.12       77.79
          2 |      1,516       15.16       92.95
          3 |        464        4.64       97.59
          4 |        160        1.60       99.19
          5 |         47        0.47       99.66
          6 |         15        0.15       99.81
          7 |          8        0.08       99.89
          8 |          7        0.07       99.96
          9 |          2        0.02       99.98
         10 |          1        0.01       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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