Frequencies for first 10,000 rows of dmar variable in natl2001 dataset :

    Marital |
  status is |
        not |
reported by |
 all areas. |
        See |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,647       66.47       66.47
          2 |      3,353       33.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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