Frequencies for first 10,000 rows of f_morigin variable in natlterr2011 dataset :

  Origin of |
     Mother |
    (umhisp |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,261       12.61       12.61
          1 |      8,739       87.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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