Frequencies for first 10,000 rows of mplbirr variable in natl1991 dataset :

   Place of |
   Birth of |
     Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,772       97.72       97.72
          2 |        223        2.23       99.95
          3 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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