Frequencies for first 10,000 rows of dmeth_rec variable in natl2014 dataset :

   Delivery |
     Method |
     Recode |
 Combined 1 |
    Vaginal |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,639       76.39       76.39
          2 |      2,354       23.54       99.93
          9 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016