Frequencies for first 10,000 rows of totord9 variable in natl1977 dataset :

Total birth |
      order |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,928       39.28       39.28
          2 |      2,973       29.73       69.01
          3 |      1,564       15.64       84.65
          4 |        745        7.45       92.10
          5 |        335        3.35       95.45
          6 |        181        1.81       97.26
          7 |        110        1.10       98.36
          8 |        162        1.62       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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