Frequencies for first 10,000 rows of totord9 variable in natl1978 dataset :

Total birth |
      order |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,860       38.60       38.60
          2 |      3,027       30.27       68.87
          3 |      1,641       16.41       85.28
          4 |        743        7.43       92.71
          5 |        322        3.22       95.93
          6 |        156        1.56       97.49
          7 |         94        0.94       98.43
          8 |        154        1.54       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016