Frequencies for first 10,000 rows of dmar variable in natl1999 dataset :

    Marital |
  Status of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,621       66.21       66.21
          2 |      3,379       33.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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