Frequencies for first 10,000 rows of dmeth_rec variable in natl2008 dataset :

   Delivery |
     Method |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,637       66.37       66.37
          2 |      3,308       33.08       99.45
          9 |         55        0.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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