Frequencies for first 10,000 rows of dmeth_rec variable in natlterr2009 dataset :

   Delivery |
     Method |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,800       48.00       48.00
          2 |      3,841       38.41       86.41
          9 |      1,359       13.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015