Frequencies for first 10,000 rows of mage_repflg variable in natlterr2010 dataset :

   Reported |
     Age of |
Mother Flag |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,234       12.34       12.34
          . |      8,766       87.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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