Frequencies for first 10,000 rows of mplbirr variable in natl1989 dataset :

   Place of |
   Birth of |
     Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,767       97.67       97.67
          2 |        225        2.25       99.92
          3 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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