Frequencies for first 10,000 rows of nlbnd variable in natl1994 dataset :

  Number of |
Live Births |
   Now Dead |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,858       98.58       98.58
          1 |        132        1.32       99.90
          2 |          5        0.05       99.95
          4 |          1        0.01       99.96
         99 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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