Frequencies for first 10,000 rows of uld_breech variable in natlterr2015 dataset :

   Breech 1 |
        Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        595        5.95        5.95
          2 |      7,540       75.40       81.35
          9 |      1,865       18.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Oct 2016