Frequencies for first 10,000 rows of udmeth_rec variable in natl2005 dataset :

   Delivery |
     Method |
     Recode |
(Unrevised) |
          U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,602       76.02       76.02
          2 |        166        1.66       77.68
          3 |      1,426       14.26       91.94
          4 |        752        7.52       99.46
          9 |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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