Frequencies for first 10,000 rows of mage_repflg variable in natlterr2007 dataset :

   Reported |
     Age of |
Mother Flag |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,288       12.88       12.88
          . |      8,712       87.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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