Frequencies for first 10,000 rows of rf_cesarn variable in natlterr2008 dataset :

  Number of |
   Previous |
   Cesarean |
 Deliveries |
        RFP |
594=f_rf_nc |
     esar R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,204       32.04       32.04
          1 |        587        5.87       37.91
          2 |        135        1.35       39.26
          3 |         13        0.13       39.39
          . |      6,061       60.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016