Frequencies for first 10,000 rows of dmar variable in natl1992 dataset :

    Marital |
  Status of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,846       68.46       68.46
          2 |      3,154       31.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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