Frequencies for first 10,000 rows of dmagerpt variable in natl1990 dataset :

   Reported |
     Age of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
         26 |          2        0.02        0.02
         99 |      9,998       99.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016