Frequencies for first 10,000 rows of mplbirr variable in natlterr1996 dataset :

   Place of |
   Birth of |
     Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,222       12.22       12.22
          2 |      8,778       87.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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