Frequencies for first 10,000 rows of nlbnl variable in natl2001 dataset :

  Number of |
Live Births |
 Now Living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,178       41.78       41.78
          1 |      3,477       34.77       76.55
          2 |      1,586       15.86       92.41
          3 |        502        5.02       97.43
          4 |        149        1.49       98.92
          5 |         54        0.54       99.46
          6 |         32        0.32       99.78
          7 |          9        0.09       99.87
          8 |          7        0.07       99.94
          9 |          1        0.01       99.95
         10 |          1        0.01       99.96
         11 |          2        0.02       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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