Frequencies for first 10,000 rows of lbo_rec variable in natl2010 dataset :

 Live Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,811       38.11       38.11
          2 |      2,865       28.65       66.76
          3 |      1,621       16.21       82.97
          4 |        824        8.24       91.21
          5 |        418        4.18       95.39
          6 |        182        1.82       97.21
          7 |        106        1.06       98.27
          8 |        133        1.33       99.60
          9 |         40        0.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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