Frequencies for first 10,000 rows of tbo_rec variable in natl2014 dataset :

Total Birth |
      Order |
 Recode 1-7 |
  Number of |
total birth |
      order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,848       28.48       28.48
          2 |      2,350       23.50       51.98
          3 |      1,695       16.95       68.93
          4 |      1,094       10.94       79.87
          5 |        620        6.20       86.07
          6 |        421        4.21       90.28
          7 |        212        2.12       92.40
          8 |        338        3.38       95.78
          9 |        422        4.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016