Frequencies for first 10,000 rows of mplbirr variable in natl1993 dataset :

   Place of |
   Birth of |
     Mother |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,773       97.73       97.73
          2 |        226        2.26       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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