Frequencies for first 10,000 rows of dmeth_rec variable in natl2010 dataset :

   Delivery |
     Method |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,442       74.42       74.42
          2 |      2,145       21.45       95.87
          9 |        413        4.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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