Frequencies for first 10,000 rows of dmar variable in natl1994 dataset :

    Marital |
  Status of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,395       63.95       63.95
          2 |      3,605       36.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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