Frequencies for first 10,000 rows of rdmeth_rec variable in natl2017 dataset :

   Delivery |
     Method |
     Recode |
   (revised |
    only) 1 |
    Vaginal |
  (excludes |
  vaginal a |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,432       74.32       74.32
          2 |        257        2.57       76.89
          3 |      1,359       13.59       90.48
          4 |        859        8.59       99.07
          5 |         78        0.78       99.85
          6 |         12        0.12       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Sep 2018