Frequencies for first 10,000 rows of tbo_rec variable in natl2013 dataset :

Total Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,792       27.92       27.92
          2 |      2,315       23.15       51.07
          3 |      1,579       15.79       66.86
          4 |      1,068       10.68       77.54
          5 |        668        6.68       84.22
          6 |        366        3.66       87.88
          7 |        256        2.56       90.44
          8 |        410        4.10       94.54
          9 |        546        5.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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