Frequencies for first 10,000 rows of dtotord variable in natl2001 dataset :

     Detail |
Total Birth |
      Order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,463       34.63       34.63
          2 |      3,180       31.80       66.43
          3 |      1,866       18.66       85.09
          4 |        829        8.29       93.38
          5 |        366        3.66       97.04
          6 |        150        1.50       98.54
          7 |         79        0.79       99.33
          8 |         32        0.32       99.65
          9 |         16        0.16       99.81
         10 |          6        0.06       99.87
         11 |          4        0.04       99.91
         12 |          2        0.02       99.93
         13 |          4        0.04       99.97
         16 |          1        0.01       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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