Frequencies for first 10,000 rows of mbstate_rec variable in natlterr2014 datas

   Mother's |
 Nativity 1 |
Born in the |
U.S. (50 US |
    States) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,753       67.53       67.53
          2 |      3,207       32.07       99.60
          3 |         40        0.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016