Frequencies for first 10,000 rows of dmeth_rec variable in natl2012 dataset :

   Delivery |
     Method |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,595       75.95       75.95
          2 |      2,234       22.34       98.29
          9 |        171        1.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016