Frequencies for first 10,000 rows of totord9 variable in natl1972 dataset :

Total birth |
      order |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,152       41.52       41.52
          2 |      2,693       26.93       68.45
          3 |      1,403       14.03       82.48
          4 |        728        7.28       89.76
          5 |        370        3.70       93.46
          6 |        204        2.04       95.50
          7 |        125        1.25       96.75
          8 |        275        2.75       99.50
          9 |         50        0.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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