Frequencies for first 10,000 rows of marstrflg variable in natl1978 dataset :

    Marital |
 Status (by |
State) flag |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         62        0.62        0.62
          1 |      9,938       99.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016