Frequencies for first 10,000 rows of dmeth_rec variable in linkpe2009psden dataset :

   Delivery |
     Method |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,336       33.36       33.36
          2 |         91        0.91       34.27
          3 |      1,921       19.21       53.48
          4 |      1,229       12.29       65.77
          5 |          1        0.01       65.78
          . |      3,422       34.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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