Frequencies for first 10,000 rows of nlbnd variable in natl1996 dataset :

  Number of |
Live Births |
   Now Dead |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,868       98.68       98.68
          1 |        115        1.15       99.83
          2 |         10        0.10       99.93
          3 |          1        0.01       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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