Frequencies for first 10,000 rows of lbo_rec variable in natl2011 dataset :

 Live Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,865       38.65       38.65
          2 |      2,917       29.17       67.82
          3 |      1,607       16.07       83.89
          4 |        757        7.57       91.46
          5 |        360        3.60       95.06
          6 |        191        1.91       96.97
          7 |        113        1.13       98.10
          8 |        102        1.02       99.12
          9 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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