Frequencies for first 10,000 rows of mage_repflg variable in natl2014 dataset :

   Reported |
     Age of |
Mother Used |
 Flag Blank |
   Reported |
    age not |
       used |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016