Frequencies for first 10,000 rows of dmeth_rec variable in natl2016 dataset :

   Delivery |
     Method |
     Recode |
 Combined 1 |
    Vaginal |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,727       77.27       77.27
          2 |      2,271       22.71       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 4 Oct 2017