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

  Number of |
Live Births |
   Now Dead |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,846       98.46       98.46
          1 |        132        1.32       99.78
          2 |         16        0.16       99.94
          3 |          4        0.04       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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